nptel week 7 assignment answers programming in java

Programming in Java | Week 7

Session: JAN-APR 2024

Course name: Programming In Java

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These are NPTEL Programming In Java Week 7 Assignment 7 Answers

Q1. Which stream does Java application uses to read data from a source, it may be a file, an array, peripheral device or socket? a. InputStream b. OutputStream c. Input/OutputStream d. None of the above

Answer: a. InputStream

Q2. What is the primary purpose of input streams in Java? a. To write data to a file. b. To read data from a file. c. To append data to a file. d. To create directories.

Answer: b. To read data from a file.

Q3. Which class in Java is used to create a new directory? a. FileReader b. FileWriter c. File d. Directory

Answer: c. File

Q4. Which class in Java is used to read data line by line from a file? a. BufferedReader b. FileInputStream c. FileWriter d. OutputStream

Answer: a. BufferedReader

Q5. What does the following code do? FileInputStream fis = new FileInputStream(“test.dat”);

c. It creates a new file named test.dat regardless of whether it exists or not and opens the file so you can write to it, if write permission is available. d. It creates a new file named test.dat regardless of whether it exists or not and opens the file so you can read from it and write to it, if write permission is available.

Answer: b. It thows an error if the file named test.dat does not exist and opens the file, if it exists, so you can read from it and write into it, if write permission is available.

Q6. What is the output of this program? (Assume ‘inputoutput.java’ file exists in the current directory) a. true b. false c. prints number of bytes in file d. prints number of characters in the file

Answer: c. prints number of bytes in file

Q7. What will be the output of the following Java program? a. abc b. abcd c. abcde d. none of the mentioned

Answer: d. none of the mentioned

Q8. What is the output of the following Java program? a. 30 b. Compiler Error c. Garbage value d. 0

Answer: b. Compiler Error

Q9. In order to restrict a variable of a class from inheriting to subclass, how variable should be declared? a. Protected b. Private c. Public d. Static

Answer: b. Private

Q10. A _________ is a type of object that organizes components in a container. a. Event adapter b. Event Handler c. Layout manager d. Grid Manager

Answer: c. Layout manager

Programming Assignment

Question 1 A Student class with private fields (name, age) is provided, Your task is to make the following: a parameterized constructor to initialize the private fields the getter/setter methods for each field Follow the naming convention as given in the main method of the suffix code.

Question 2 A BankAccount class with private field balance is provided, Your task is to make the following: a parameterized constructor to initialize the private field public void deposit(…) // to deposit money public void withdraw(…) // to withdraw money, should print “Insufficient funds!” if not enough money to withdraw public double getBalance() // to return the current balance Follow the naming convention as given in the main method of the suffix code.

Question 3 An abstract class shape is provided, Your task is to make the following: a parameterized constructor to initialize the Circle class @Override the area function to compute the area of a circle (Use Math.PI for value of pi, not 22/7) @Override the displayInfo() function to print exactly in the format provided by the test cases. Follow the naming convention as given in the main method of the suffix code.

Question 4 An interface shape is provided, Your task is to make the following: Create a class “Circle” that implements the “Shape” interface and provides its own implementation for calculateArea(). @Override the area function to compute the area of a circle (Use Math.PI for value of pi, not 22/7) Create another class “Rectangle” that implements the “Shape” interface and provides its own implementation for calculateArea(). @Override the area function to compute the area of a rectangle Follow the naming convention as given in the main method of the suffix code.

Question 5 Two interfaces are provided, namely Flyable and Swimmable, Your task is to make the following: Create a class “FlyingFish” that implements both interfaces and provides its own implementation for fly() and swim() It should have a private variable name, use a constructor to set the value and the functions fly() and swim() to print exactly as given in the test case. Follow the naming convention as given in the main method of the suffix code.

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Session: JULY-DEC 2023

Course Name: Programming In Java

Question 1 Complete the following code fragment to read three integer values from the keyboard and find the sum of the values. Declare a variable “sum” of type int and store the result in it.

Question 2 Complete the code segment to catch the exception in the following, if any. On the occurrence of such an exception, your program should print “Please enter valid data” .If there is no such exception, it will print the “square of the number”.

Question 3 A byte char array is initialized. You have to enter an index value”n”. According to index your program will print the byte and its corresponding char value. Complete the code segment to catch the exception in the following, if any. On the occurrence of such an exception, your program should print “exception occur” .If there is no such exception, it will print the required output.

Question 4 The following program reads a string from the keyboard and is stored in the String variable “s1”. You have to complete the program so that it should should print the number of vowels in s1 . If your input data doesn’t have any vowel it will print “0”.

Question 5 A string “s1” is already initialized. You have to read the index “n” from the keyboard. Complete the code segment to catch the exception in the following, if any. On the occurrence of such an exception, your program should print “exception occur” .If there is no such exception, your program should replace the char “a” at the index value “n” of the “s1” ,then it will print the modified string.

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Session: JAN-APR 2023

Course Name: Programming in Java

Q1. Which of these is a type of IO stream in Java? a. Integer stream b. Short stream c. Byte stream d. Character stream

Answer: c, d

Q2. Which of the following is a class in java.io package? a. FileReader b. ObjectInput c. ObjectOutput d. Datalnput

Answer: a. FileReader

Q3. Consider the following program. What will be the output if the above program is executed? a. It will give compile-time error. b. B c. 66 d. r

Answer: d. r

Q4. Consider the following program. What is the output of the above code? a. java/programm/2023 b. java’programm/ c. java d. 2023

Answer: d. 2023

Q5. Which method is used to read b length bytes from the input stream into an array? a. public void read(int b)throws IOException { { b. public int read(byte[ ] b)throws IOException {} c. public void read(byte[ ] b)throws IOException {} d. public int read(int b)throws IOException {}

Answer: b. public int read(byte[ ] b)throws IOException {}

Q6. How many standard streams Java can support? a. 2 b. 3 c 4 d. 1

Answer: b. 3

Q7. Which of the following stream is different from others? a. System.in b. System.out c. PrintStream d. FileOutputStream

Answer: c. PrintStream

Q8. Which of the following is used to read a string from the input stream? a. get() b. readLine( ) c. getLine( ) d. read()

Answer: b. readLine( )

Q9. Which of the following class(es) can be used for handling files in Java? a. java files b. java.io.File c. java.io d. java Filehandling

Answer: b. java.io.File

Q10. Which of the following statement(s) is/are true? a. The default delimiters for a Scanner object are the white space characters. b. The Scanner class has instance methods for reading each of the Java primitive types except char. c. The Scanner methods do not throw any checked exceptions. d. The Scanner class can be found in the java.util package.

Answer: a, b, c, d

Programming Assignment of Programming in Java

A byte char array is initialized. You have to enter an index value”n”. According to index your program will print the byte and its corresponding char value. Complete the code segment to catch the exception in the following, if any. On the occurrence of such an exception, your program should print “exception occur” .If there is no such exception, it will print the required output.

The following program reads a string from the keyboard and is stored in the String variable “s1”. You have to complete the program so that it should should print the number of vowels in s1 . If your input data doesn’t have any vowel it will print “0”.

A string “s1” is already initialized. You have to read the index “n” from the keyboard. Complete the code segment to catch the exception in the following, if any. On the occurrence of such an exception, your program should print “exception occur” .If there is no such exception, your program should replace the char “a” at the index value “n” of the “s1” ,then it will print the modified string.

Complete the following code fragment to read three integer values from the keyboard and find the sum of the values. Declare a variable “sum” of type int and store the result in it.

Complete the code segment to catch the exception in the following, if any. On the occurrence of such an exception, your program should print “Please enter valid data” .If there is no such exception, it will print the “square of the number”.

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Session: JULY-DEC 2022

Course Name: Programming in Java NPTEL

1) Which of these is method for testing whether the specified element is a file or a directory? a. IsFile() b. isFile() c. Isfile() d. isfile()

Answer: b. isFile()

2) Which of the following is/are NOT Standard Stream(s)? a. System.in b. System.out c. System.err d. System.console

Answer: d. System.console

3) What will be the output of the Java code? a. NPTEL b. NPTEL/JULY/2022 c. /NPTEL/JULY/2022 d. 2022

Answer: d. 2022

4) What will be the output if the above program is executed? a. It will give compile-time error b. It will give run-time error c. j d. 106

Answer: d. 106

5) Which method is used to write a byte to the current output stream? a. public void write(int b)throws IOException b. public void write(byte[] b)throws IOException c. public void flush()throws IOException d. public void close() throws IOException

Answer: b. public void write(byte[] b)throws IOException

6) Which method of Random AccessFile class reads a line from the file and returns String ? a. WriteInt() b. readLine() c. readInt() d. WriteDouble()

Answer: b. readLine()

7) Which of these class is not a member class of java.io package? a. File b. PrintStream c. StringReader d. Stream

Answer: d. Stream

8) Which of the following is/are interface(s) of java.io package? a. FileReader b. File Writer c. DataOutput d. DataInput

9) In which Java APIs the classes for handling all IO-streams are defined? a. java.lang b. java.util c. java.io d. java.awt

Answer: c. java.io

10) Consider the following program. If the program is executed, then what will be the output from the execution? a. length : 6 b. length : 5 c. length : 0 d. length : 1

Answer: b. length : 5

Programming Assignment Solutions

Question 1 Complete the following code fragment to read three integer values from the keyboard and find the sum of the values. Declare a variable “sum” of type int and store the result in it.

More NPTEL Solutions: https://progiez.com/nptel

These are NPTEL Programming In Java Week 7 Assignment 7 Answers

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Programming In Java : Exam certification criteria - Jan 2023

Dear Learners, Please see the certification criteria of this course below Average assignment score = 25% of average of best 8 assignments out of the total 12 assignments given in the course. Exam score = 75% of the proctored (in person)certification exam score out of 100 Final score = Average assignment score + Exam score YOU WILL BE ELIGIBLE FOR A CERTIFICATE ONLY IF AVERAGE ASSIGNMENT SCORE >=10/25 AND EXAM SCORE >= 30/75. If one of the 2 criteria is not met, you will not get the certificate even if the Final score >= 40/100. NOTE: Please note that we will not consider the unproctored programming exam score for certification in January 2023. -NPTEL Team

NPTEL: Exam Registration is open now for Jan 2023 courses!

Dear Candidate, Here is a golden opportunity for those who had previously enrolled in this course, but could not participate in the exams or were absent/did not pass the exam for this course. This course is being reoffered in Jan 2023 and we are giving you another chance to write the exam in April 2023 and obtain a certificate based on NPTEL norms. Do not let go of this unique opportunity to earn a certificate from the IITs/IISc. IMPORTANT instructions for learners - Please read this carefully 1. The exam date for this course: April 30,2023 2. CLICK HERE to register for the exam. Please fill the exam form using the same Enrolled email id & make fee payment via the form, as before. 3.Choose from the Cities where the exam will be conducted: Exam Cities 4. You DO NOT have to re-enroll in the courses if you have enough assignment scores in the previous immediate semester when the course was run to obtain a certificate. 5. You DO NOT have to resubmit Assignments in the previous semester if you have enough assignment scores in the previous immediate semester when the course was run to obtain a certificate. 6. If you do enroll to Jan 2023 course, we will take the best average assignment scores across this semester & the immediate previous semester when the course was run. NOTE: Please check once if you have >= 40/100 in average assignment score that were conducted in this course to become eligible for the e-certificate, wherever applicable. If not, please submit assignments again in the Jan 2023 course to become eligible for the e-certificate. We will not be having new assignments in the previous semester's course. It is mandatory to enroll again in the Jan 2023 semester if you want to receive the fresh assignments of this current Jan 2023 semester. You can also submit assignments again if you want to take fresh assignments or need to improve your previous scores. RECOMMENDATION: If you want to take new assignments or brush up on your lessons for the exam, please enroll in the Jan 2023 course. LINK to enroll in the current course: https://onlinecourses.nptel.ac.in/noc23_cs49/preview 4. Exam fees: If you register for the exam and pay before Mar 17, 2023, 5:00 PM, Exam fees will be Rs. 1000/- per exam. 5. 50% fee waiver for the following categories: Students belonging to the SC/ST category: please select Yes for the SC/ST option and upload the correct Community certificate. Students belonging to the PwD category with more than 40% disability: please select Yes for the option and upload the relevant Disability certificate. 6. Last date for exam registration: Mar 17, 2023, 5:00 PM (Friday). 7. Mode of payment: Online payment - debit card/credit card/net banking/UPI. 8. HALL TICKET: The hall ticket will be available for download tentatively by 2 weeks prior to the exam date . We will confirm the same through an announcement once it is published. 9. FOR CANDIDATES WHO WOULD LIKE TO WRITE MORE THAN 1 COURSE EXAM:- you can add or delete courses and pay separately till the date when the exam form closes. Same day of exam you can write exams for 2 courses in the 2 sessions. Same exam center will be allocated for both the sessions if you are registering for the exam with the same email ID. 10. Data changes: Last date for data changes: Mar 17, 2023, 5:00 PM: All the fields in the Exam form except for the following ones can be changed until the form closes. The following 6 fields can be changed ONLY when there are NO courses in the course cart. And you will be able to edit the following fields only if you: - REMOVE unpaid courses from the cart And/or - CANCEL paid courses 1. Do you come under the SC/ST category? * 2. SC/ST Proof 3. Are you a person with disabilities? * 4. Are you a person with disabilities above 40%? 5. Disabilities Proof 6. What is your role ? Note: Once you remove or cancel a course, you will be able to edit these fields immediately. But, for cancelled courses, refund of fees will be initiated only after 2 weeks. 11. LAST DATE FOR CANCELLING EXAMS and getting a refund: Mar 17, 2023, 5:00 PM 12. Click here to view Timeline and Guideline : Guideline Domain Certification Domain Certification helps learners to gain expertise in a specific Area/Domain. This can be helpful for learners who wish to work in a particular area as part of their job or research or for those appearing for some competitive exam or becoming job ready or specialising in an area of study. Every domain will comprise Core courses and Elective courses. Once a learner completes the requisite courses per the mentioned criteria, you will receive a Domain Certificate showcasing your scores and the domain of expertise. Kindly refer to the following link for the list of courses available under each domain: https://nptel.ac.in/domains Outside India Candidates Candidates who are residing outside India may also fill the exam form and pay the fees. Mode of exam and other details will be communicated to you separately. Thanks & Regards, NPTEL TEAM

Thank you for learning with NPTEL!!

Dear Learner, Thank you for taking the course with NPTEL!! Hope you enjoyed the journey with us. The results for this course have been published and we are closing this course now. You will still have access to the contents and assignments of this course, if you click on the course name from the " Mycourses " tab on swayam.gov.in. For any further queries please write to [email protected] . - Team NPTEL

Programming In Java : Result Published!!

Dear Candidate, The exam scores and E Certificates have been released for October 2022 Exam(s). Step 1 - Are the results of my courses released? Please check the Results published courses list in the below links.:- October 2022 Exam - Click here Step 2 - How to check Results? Please login to internalapp.nptel.ac.in/ . and check your exam results. Use the same login credentials as used to register to the exam. What's next? Please read the pass criteria carefully and check against what you have gotten. If you still have any issues, please report the same here. internalapp.nptel.ac.in/ . We will reply within a week. Last date to report queries: 3 days within publishing of scores. Note : Hard copies of certificates will not be dispatched. The duration shown in the certificate will be based on the timeline of offering of the course in 2022, irrespective of which Assignment score that will be considered. Thanks and Best wishes. NPTEL Team

Programming In Java : Final Feedback Form!!

Dear student, We are glad that you have attended the NPTEL online certification course. We hope you found the NPTEL Online course useful and have started using NPTEL extensively. In this regard, we would like to have feedback from you regarding our course and whether there are any improvements, you would like to suggest. We are enclosing an online feedback form and would request you to spare some of your valuable time to input your observations. Your esteemed input will help us in serving you better. The link to give your feedback is: https://docs.google.com/forms/d/1Z2Gyz-bluE05PYEhC8hP_ETzZhui8K-nWFsAZzQHMTI/viewform We thank you for your valuable time and feedback. Thanks & Regards, -NPTEL Team

October 2022 NPTEL Exams - Hall Tickets Released!

***THIS IS APPLICABLE ONLY FOR EXAM REGISTERED CANDIDATES*** Dear Candidate, Your Hall Ticket / admit card for the NPTEL Exam(s) in October, 2022 has been released. Please login to https://internalapp.nptel.ac.in/ using your exam registered email id and download your hall ticket. Note: Requests for changes in exam city, exam center, exam date, session, or course will NOT be entertained. Please write to [email protected] for any further queries. All the best for your exams! Warm Regards NPTEL Team

Programming In Java - Week 11 Feedback Form

Dear Learners,

Thank you for enrolling in this NPTEL course and we hope you have gone through the contents for this week and also attempted the assignment.

We value your feedback and wish to know how you found the videos and the questions asked - whether they were easy, difficult, as per your expectations, etc

We shall use this to make the course better and we can also know from the feedback which concepts need more explanation, etc.

Please do spare some time to give your feedback - comprises just 5 questions - should not take more than a minute, but makes a lot of difference for us as we know what the Learners feel.

Here is the link to the form: https://docs.google.com/forms/d/1cxMjONW2KGFIZubsB-Qjce1jFeDNqLUQOrVyeVV9rIU/viewform

Programming In Java - Week 12 Feedback Form

Programming in java - week 10 feedback form, programming in java - assignment- 12 solution released.

Dear Participants,

The Assignment- 12 of Week- 12 Solution for the course " Programming In Java " has been released in the portal. Please go through the solution and in case of any doubt post your queries in the forum.

Link for assignment 12 solution: https://drive.google.com/file/d/1kFrh-K0Ug8NaAD_kr_kvmobw6RwHog6J/view?usp=sharing

Happy Learning!

Thanks & Regards,

Programming In Java - Unproctored Exam Test - Session 1

Dear Students, The questions for the Unproctored Programming Exam Test are available now in the course page. Please fine the questions under the course outline Programming Exam 2022 (First Session) (10am - 12pm) You can access the questions in the below link: https://onlinecourses.nptel.ac.in/noc22_cs102/progassignment?name=216 https://onlinecourses.nptel.ac.in/noc22_cs102/progassignment?name=217 https://onlinecourses.nptel.ac.in/noc22_cs102/progassignment?name=218 https://onlinecourses.nptel.ac.in/noc22_cs102/progassignment?name=219 https://onlinecourses.nptel.ac.in/noc22_cs102/progassignment?name=220 Best of Luck! -NPTEL Team

Programming In Java - Unproctored Exam Test - Session 2

Dear Students, The questions for the Unproctored Programming Exam Test are available now in the course page. Please fine the questions under the course outline Programming Exam 2022 (2nd Session) (8pm - 10pm) You can access the questions in the below link: https://onlinecourses.nptel.ac.in/noc22_cs102/progassignment?name=221 https://onlinecourses.nptel.ac.in/noc22_cs102/progassignment?name=222 https://onlinecourses.nptel.ac.in/noc22_cs102/progassignment?name=223 https://onlinecourses.nptel.ac.in/noc22_cs102/progassignment?name=224 https://onlinecourses.nptel.ac.in/noc22_cs102/progassignment?name=225 Best of Luck! -NPTEL Team

Reminder 5: Programming In Java : Online Programming test

Dear Learners, The criteria for certification of this course " Programming In Java " is different because of the online programming exam component. Please read the following carefully. Final score = 25% of Assignment score + 50% of Online exam score (Proctored) + 25% of Programming exam (Unproctored) - Unproctored means, candidates will be taking the exam from college/home without NPTEL team present for monitoring the test- with access to all resources. - The discussion forum will be disabled during the exam duration (during both sessions) and re-enabled thereafter. How to take the online programming test 1. Go to: https://onlinecourses.nptel.ac.in/noc22_cs102/ 2. Log in using the same email id which you have been accessing the course (i.e. using to watch videos & submit Assignments) 3. There will be sections under the course outline "Online Programming Test (October 22)" that will have the online programming exam link. 4. You can click on this link and attempt the programming exam. Date: October 22, 2022 (Saturday) (Duration of the session will be 2 hrs) First Session: 10.00AM - 12.00PM Second Session: 8.00PM - 10.00PM You can take either one of the sessions. If you attend both sessions, we will take best score out of them. Note: - You can take the exam from your college or home. - The exam has to be taken in pc or laptop. DO NOT TRY TO TAKE THE EXAM USING YOUR MOBILE PHONE. - The discussion forum will be disabled during the exam duration (during both sessions) and re-enabled thereafter. - If you encounter any issues during the exam, please write to [email protected] IMPORTANT: CERTIFICATION CRITERIA Candidates have to come to the exam center and take the theory test on October 30, 2022 It is mandatory to take the Proctored in-person final exam to obtain a certificate. To pass the course and get a certificate: Assignment score >= 40/100 AND Programming exam score >= 40/100 AND Proctored exam score >= 40/100 OR Assignment score >= 10/25 AND Programming exam score >= 10/25 AND Proctored exam score >= 20/50 All 3 conditions have to be satisfied. All the best to the candidates! -NPTEL Team.

Programming In Java - Assignment- 7,8,9,10 & 11 Solution Released

The Assignment-7,8,9,10 & 11 of Week- 7,8,9,10 & 11 Solution for the course " Programming In Java " has been released in the portal. Please go through the solution and in case of any doubt post your queries in the forum.

Link for assignment 7 solution: https://drive.google.com/file/d/1iclaeIyNQSx3P3kERY2CtMrx1-aTAA_s/view?usp=sharing Link for assignment 8 solution: https://drive.google.com/file/d/1iKHnSDEiTvtrALEBPTPOVRyoJKIiDXWV/view?usp=sharing Link for assignment 9 solution: https://drive.google.com/file/d/1DzNwXpSzdaeJtO9h6UWawO6TRRdpkgle/view?usp=sharing Link for assignment 10 solution: https://drive.google.com/file/d/1C85pA6XzgT_6DTlb5OxdDrvTPFM-yVtS/view?usp=sharing Link for assignment 11 solution: https://drive.google.com/file/d/1e82Me5dgDfArmUPwsbm_6RqmmaWB5He0/view?usp=sharing

Exam Format - Oct 30, 2022

Dear Candidate, ****This is applicable only for the exam registered candidates**** Type of exam will be available in the list: Click Here You will have to appear at the allotted exam center and produce your Hall ticket and Government Photo Identification Card (Example: Driving License, Passport, PAN card, Voter ID, Aadhaar-ID with your Name, date of birth, photograph and signature) for verification and take the exam in person. You can find the final allotted exam center details in the hall ticket. The hall ticket is yet to be released. We will notify the same through email and SMS. Type of exam: Computer based exam (Please check in the above list corresponding to your course name) The questions will be on the computer and the answers will have to be entered on the computer; type of questions may include multiple choice questions, fill in the blanks, essay-type answers, etc. Type of exam: Paper and pen Exam (Please check in the above list corresponding to your course name) The questions will be on the computer. You will have to write your answers on sheets of paper and submit the answer sheets. Papers will be sent to the faculty for evaluation. On-Screen Calculator Demo Link: Kindly use the below link to get an idea of how the On-screen calculator will work during the exam. https://tcsion.com/ OnlineAssessment/ ScientificCalculator/ Calculator.html NOTE: Physical calculators are not allowed inside the exam hall. -NPTEL Team

Reminder 4: Programming In Java : Online Programming test

Programming in java - week 12 content is live now.

Dear Students

The lecture videos for Week 12 have been uploaded for the course Programming In Java . The lectures can be accessed using the following link: https://onlinecourses.nptel.ac.in/noc22_cs102/unit?unit=106&lesson=107

The other lectures of this week are accessible from the navigation bar to the left. Please remember to login into the website to view contents (if you aren't logged in already).

Assignment 12 for Week 12 is also released and can be accessed from the following link: https://onlinecourses.nptel.ac.in/noc22_cs102/unit?unit=106&assessment=205

The assignment has to be submitted on or before Wednesday, 19/10/2022 , 23:59 IST. Programming Assignments 1 for Week 12 is also released and can be accessed from the following link: https://onlinecourses.nptel.ac.in/noc22_cs102/progassignment?name=211 Programming Assignments 2 for Week 12 is also released and can be accessed from the following link: https://onlinecourses.nptel.ac.in/noc22_cs102/progassignment?name=212 Programming Assignments 3 for Week 12 is also released and can be accessed from the following link: https://onlinecourses.nptel.ac.in/noc22_cs102/progassignment?name=213 Programming Assignments 4 for Week 12 is also released and can be accessed from the following link: https://onlinecourses.nptel.ac.in/noc22_cs102/progassignment?name=214 Programming Assignments 5 for Week 12 is also released and can be accessed from the following link: https://onlinecourses.nptel.ac.in/noc22_cs102/progassignment?name=215 For all the Programming Assignments du e date will be : Thursday, 20-10-2022 , 23:59 IST

As we have done so far, please use the discussion forums if you have any questions on this module.

Note : Please check the due date of the assignments in the announcement and assignment page if you see any mismatch write to us immediately.

Thanks and Regards,

--NPTEL Team

Programming In Java - Week 11 content is live now

The lecture videos for Week 11 have been uploaded for the course Programming In Java . The lectures can be accessed using the following link: https://onlinecourses.nptel.ac.in/noc22_cs102/unit?unit=98&lesson=99

Assignment 11 for Week 11 is also released and can be accessed from the following link: https://onlinecourses.nptel.ac.in/noc22_cs102/unit?unit=98&assessment=204

The assignment has to be submitted on or before Wednesday, 12/10/2022 , 23:59 IST. Programming Assignments 1 for Week 11 is also released and can be accessed from the following link: https://onlinecourses.nptel.ac.in/noc22_cs102/progassignment?name=206 Programming Assignments 2 for Week 11 is also released and can be accessed from the following link: https://onlinecourses.nptel.ac.in/noc22_cs102/progassignment?name=207 Programming Assignments 3 for Week 11 is also released and can be accessed from the following link: https://onlinecourses.nptel.ac.in/noc22_cs102/progassignment?name=208 Programming Assignments 4 for Week 11 is also released and can be accessed from the following link: https://onlinecourses.nptel.ac.in/noc22_cs102/progassignment?name=209 Programming Assignments 5 for Week 11 is also released and can be accessed from the following link: https://onlinecourses.nptel.ac.in/noc22_cs102/progassignment?name=210 For all the Programming Assignments du e date will be : Thursday, 13-10-2022 , 23:59 IST

Reminder 3: Programming In Java : Online Programming test

Programming in java - week 10 content is live now.

The lecture videos for Week 10 have been uploaded for the course Programming In Java . The lectures can be accessed using the following link: https://onlinecourses.nptel.ac.in/noc22_cs102/unit?unit=90&lesson=91

Assignment 10 for Week 10 is also released and can be accessed from the following link: https://onlinecourses.nptel.ac.in/noc22_cs102/unit?unit=90&assessment=198

The assignment has to be submitted on or before Wednesday, 05/10/2022 , 23:59 IST. Programming Assignments 1 for Week 10 is also released and can be accessed from the following link: https://onlinecourses.nptel.ac.in/noc22_cs102/progassignment?name=199 Programming Assignments 2 for Week 10 is also released and can be accessed from the following link: https://onlinecourses.nptel.ac.in/noc22_cs102/progassignment?name=200 Programming Assignments 3 for Week 10 is also released and can be accessed from the following link: https://onlinecourses.nptel.ac.in/noc22_cs102/progassignment?name=201 Programming Assignments 4 for Week 10 is also released and can be accessed from the following link: https://onlinecourses.nptel.ac.in/noc22_cs102/progassignment?name=202 Programming Assignments 5 for Week 10 is also released and can be accessed from the following link: https://onlinecourses.nptel.ac.in/noc22_cs102/progassignment?name=203 For all the Programming Assignments du e date will be : Thursday, 06-10-2022 , 23:59 IST

Programming In Java - Week 8 Feedback Form

Programming in java - week 9 feedback form, programming in java - week 9 content is live now.

The lecture videos for Week 9 have been uploaded for the course Programming In Java . The lectures can be accessed using the following link: https://onlinecourses.nptel.ac.in/noc22_cs102/unit?unit=82&lesson=83

Assignment 9 for Week 9 is also released and can be accessed from the following link: https://onlinecourses.nptel.ac.in/noc22_cs102/unit?unit=82&assessment=197

The assignment has to be submitted on or before Wednesday, 28/09/2022 , 23:59 IST. Programming Assignments 1 for Week 9 is also released and can be accessed from the following link: https://onlinecourses.nptel.ac.in/noc22_cs102/progassignment?name=192 Programming Assignments 2 for Week 9 is also released and can be accessed from the following link: https://onlinecourses.nptel.ac.in/noc22_cs102/progassignment?name=193 Programming Assignments 3 for Week 9 is also released and can be accessed from the following link: https://onlinecourses.nptel.ac.in/noc22_cs102/progassignment?name=194 Programming Assignments 4 for Week 9 is also released and can be accessed from the following link: https://onlinecourses.nptel.ac.in/noc22_cs102/progassignment?name=195 Programming Assignments 5 for Week 9 is also released and can be accessed from the following link: https://onlinecourses.nptel.ac.in/noc22_cs102/progassignment?name=196 For all the Programming Assignments du e date will be : Thursday, 29-09-2022 , 23:59 IST

Reminder 2: Programming In Java : Online Programming test

Programming in java - assignment- 5 & 6 solution released.

The Assignment-5 & 6 of Week- 5 & 6 Solution for the course " Programming In Java " has been released in the portal. Please go through the solution and in case of any doubt post your queries in the forum.

Link for assignment 5 solution: https://drive.google.com/file/d/1a0P7b7the2KgRXeQdZFQU4Gc-yULqyCo/view?usp=sharing Link for assignment 6 solution: h ttps://drive.google.com/file/d/10EpUYVS6lsY0ve7B41ApFrq4mkA1utS7/view?usp=sharing

Reminder 1: Programming In Java : Online Programming test

Programming in java - week 8 content is live now.

The lecture videos for Week 8 have been uploaded for the course Programming In Java . The lectures can be accessed using the following link: https://onlinecourses.nptel.ac.in/noc22_cs102/unit?unit=74&lesson=75

Assignment 8 for Week 8 is also released and can be accessed from the following link: https://onlinecourses.nptel.ac.in/noc22_cs102/unit?unit=74&assessment=186

The assignment has to be submitted on or before Wednesday, 21/09/2022 , 23:59 IST. Programming Assignments 1 for Week 8 is also released and can be accessed from the following link: https://onlinecourses.nptel.ac.in/noc22_cs102/progassignment?name=187 Programming Assignments 2 for Week 8 is also released and can be accessed from the following link: https://onlinecourses.nptel.ac.in/noc22_cs102/progassignment?name=188 Programming Assignments 3 for Week 8 is also released and can be accessed from the following link: https://onlinecourses.nptel.ac.in/noc22_cs102/progassignment?name=189 Programming Assignments 4 for Week 8 is also released and can be accessed from the following link: https://onlinecourses.nptel.ac.in/noc22_cs102/progassignment?name=190 Programming Assignments 5 for Week 8 is also released and can be accessed from the following link: https://onlinecourses.nptel.ac.in/noc22_cs102/progassignment?name=191 For all the Programming Assignments du e date will be : Thursday, 22-09-2022 , 23:59 IST

Programming In Java - Week 7 assignment is live now!!

The assignment 7 for Week 7 for the course Programming In Java is made available.

Assignment 7 can be accessed using the following link: h ttps://onlinecourses.nptel.ac.in/noc22_cs102/unit?unit=66&assessment=180

The other Assignment 7 is accessible from the navigation bar to the left under Week 7. Please remember to login into the website to view contents (if you aren't logged in already).

The assignment has to be submitted on or before Wednesday, 14/09/2022 , 23:59 IST. Programming Assignments 1 for Week 7 is also released and can be accessed from the following link: https://onlinecourses.nptel.ac.in/noc22_cs102/progassignment?name=181 Programming Assignments 2 for Week 7 is also released and can be accessed from the following link: https://onlinecourses.nptel.ac.in/noc22_cs102/progassignment?name=182 Programming Assignments 3 for Week 7 is also released and can be accessed from the following link: https://onlinecourses.nptel.ac.in/noc22_cs102/progassignment?name=183 Programming Assignments 4 for Week 7 is also released and can be accessed from the following link: https://onlinecourses.nptel.ac.in/noc22_cs102/progassignment?name=184 Programming Assignments 5 for Week 7 is also released and can be accessed from the following link: https://onlinecourses.nptel.ac.in/noc22_cs102/progassignment?name=185 For all the Programming Assignments du e date will be : Thursday, 15-09-2022 , 23:59 IST

Please use the discussion forums if you have any questions on this module.

Programming In Java - Week 7 Feedback Form

Programming in java - week 7 content is live now .

The lecture videos for Week 7 have been uploaded for the course Programming In Java . The lectures can be accessed using the following link: https://onlinecourses.nptel.ac.in/noc22_cs102/unit?unit=66&lesson=67

Assignment 7 for Week 7 is also released and can be accessed from the following link: https://onlinecourses.nptel.ac.in/noc22_cs102/unit?unit=66&assessment=180

The assignment has to be submitted on or before Wednesday, 14/09/2022 , 23:59 IST.

Programming In Java - Week 6 assignment is live now!!

The assignment 6 for Week 6 for the course Programming In Java is made available.

Assignment 6 can be accessed using the following link: https://onlinecourses.nptel.ac.in/noc22_cs102/unit?unit=58&assessment=173

The other Assignment 6 is accessible from the navigation bar to the left under Week 6. Please remember to login into the website to view contents (if you aren't logged in already).

The assignment has to be submitted on or before Wednesday, 07/09/2022 , 23:59 IST. Programming Assignments 1 for Week 6 is also released and can be accessed from the following link: https://onlinecourses.nptel.ac.in/noc22_cs102/progassignment?name=174 Programming Assignments 2 for Week 6 is also released and can be accessed from the following link: https://onlinecourses.nptel.ac.in/noc22_cs102/progassignment?name=175 Programming Assignments 3 for Week 6 is also released and can be accessed from the following link: https://onlinecourses.nptel.ac.in/noc22_cs102/progassignment?name=176 Programming Assignments 4 for Week 6 is also released and can be accessed from the following link: https://onlinecourses.nptel.ac.in/noc22_cs102/progassignment?name=177 Programming Assignments 5 for Week 6 is also released and can be accessed from the following link: https://onlinecourses.nptel.ac.in/noc22_cs102/progassignment?name=178 For all the Programming Assignments du e date will be : Thursday, 08-09-2022 , 23:59 IST

Programming In Java - Week 6 Feedback Form

Programming in java - week 6 content is live now .

The lecture videos for Week 6 have been uploaded for the course Programming In Java . The lectures can be accessed using the following link: https://onlinecourses.nptel.ac.in/noc22_cs102/unit?unit=58&lesson=59

Assignment 6 for Week 6 is also released and can be accessed from the following link: https://onlinecourses.nptel.ac.in/noc22_cs102/unit?unit=58&assessment=173

The assignment has to be submitted on or before Wednesday, 07/09/2022 , 23:59 IST.

Programming In Java - Assignment- 3 & 4 Solution Released

The Assignment-3 & 4 of Week- 3 & 4 Solution for the course " Programming In Java " has been released in the portal. Please go through the solution and in case of any doubt post your queries in the forum.

Link for assignment 3 solution: https://drive.google.com/file/d/182Lt9wkLq2F_OmpnmS5kkPlI760qvcpG/view?usp=sharing Link for assignment 4 solution: https://drive.google.com/file/d/1LIxH91Hh5PCe8FOpqw0wvi1oN97q0IJu/view?usp=sharing

Programming In Java - Week 5 Feedback Form

Programming in java - week 5 content is live now.

The lecture videos for Week 5 have been uploaded for the course Programming In Java . The lectures can be accessed using the following link: https://onlinecourses.nptel.ac.in/noc22_cs102/unit?unit=50&lesson=51

Assignment 5 for Week 5 is also released and can be accessed from the following link: https://onlinecourses.nptel.ac.in/noc22_cs102/unit?unit=50&assessment=168

The assignment has to be submitted on or before Wednesday, 31/08/2022 , 23:59 IST. Programming Assignments 1 for Week 5 is also released and can be accessed from the following link: https://onlinecourses.nptel.ac.in/noc22_cs102/progassignment?name=167 Programming Assignments 2 for Week 5 is also released and can be accessed from the following link: https://onlinecourses.nptel.ac.in/noc22_cs102/progassignment?name=169 Programming Assignments 3 for Week 5 is also released and can be accessed from the following link: https://onlinecourses.nptel.ac.in/noc22_cs102/progassignment?name=170 Programming Assignments 4 for Week 5 is also released and can be accessed from the following link: https://onlinecourses.nptel.ac.in/noc22_cs102/progassignment?name=171 Programming Assignments 5 for Week 5 is also released and can be accessed from the following link: https://onlinecourses.nptel.ac.in/noc22_cs102/progassignment?name=172 For all the Programming Assignments du e date will be : Thursday, 01-09-2022 , 23:59 IST

Programming In Java : Assignment 2 Question no 4

Dear Learners,

There is a mistake in Assignment 2 question no 4. The correct option is (c). The question will not be considered for final evaluation. The re-evaluation will be done shortly. The score will get updated and displayed in the Progress tab after re-evaluation.

Sorry for the inconvenience caused.

Course Admin

Programming In Java - Week 4 Feedback Form

Programming in java - week 4 content is live now.

The lecture videos for Week 4 have been uploaded for the course Programming In Java . The lectures can be accessed using the following link: https://onlinecourses.nptel.ac.in/noc22_cs102/unit?unit=42&lesson=43

Assignment 4 for Week 4 is also released and can be accessed from the following link: https://onlinecourses.nptel.ac.in/noc22_cs102/unit?unit=42&assessment=160

The assignment has to be submitted on or before Wednesday,24/08/2022 , 23:59 IST. Programming Assignments 1 for Week 4 is also released and can be accessed from the following link: https://onlinecourses.nptel.ac.in/noc22_cs102/progassignment?name=162 Programming Assignments 2 for Week 4 is also released and can be accessed from the following link: https://onlinecourses.nptel.ac.in/noc22_cs102/progassignment?name=163 Programming Assignments 3 for Week 4 is also released and can be accessed from the following link: https://onlinecourses.nptel.ac.in/noc22_cs102/progassignment?name=164 Programming Assignments 4 for Week 4 is also released and can be accessed from the following link: https://onlinecourses.nptel.ac.in/noc22_cs102/progassignment?name=165 Programming Assignments 5 for Week 4 is also released and can be accessed from the following link: https://onlinecourses.nptel.ac.in/noc22_cs102/progassignment?name=166 For all the Programming Assignments du e date will be : Thursday, 25-08-2022 , 23:59 IST

Programming In Java - Assignment- 1 & 2 Solution Released

The Assignment-1 & 2 of Week- 1 & 2 Solution for the course " Programming In Java " has been released in the portal. Please go through the solution and in case of any doubt post your queries in the forum.

Link for assignment 1 solution: https://drive.google.com/file/d/19F9AIiH3XLmVNCyGFzD5TR8Xsl3vldt3/view?usp=sharing Link for assignment 2 solution: https://drive.google.com/file/d/1iQKlzo-ogV_2Dpd3N6vxoGBm7TIMs85E/view?usp=sharing

Programming In Java : Reminder for Submission of Assignment 1 & 2

The assignments should be submitted on or before Wednesday, 10-08-2022 , 23:59 IST. Programming Assignments 1 for Week 1 is also released and can be accessed from the following link: https://onlinecourses.nptel.ac.in/noc22_cs102/progassignment?name=143 Programming Assignments 2 for Week 1 is also released and can be accessed from the following link: https://onlinecourses.nptel.ac.in/noc22_cs102/progassignment?name=144 Programming Assignments 3 for Week 1 is also released and can be accessed from the following link: https://onlinecourses.nptel.ac.in/noc22_cs102/progassignment?name=145 Programming Assignments 4 for Week 1 is also released and can be accessed from the following link: https://onlinecourses.nptel.ac.in/noc22_cs102/progassignment?name=146 Programming Assignments 5 for Week 1 is also released and can be accessed from the following link: https://onlinecourses.nptel.ac.in/noc22_cs102/progassignment?name=147 Programming Assignments 1 for Week 2 is also released and can be accessed from the following link: https://onlinecourses.nptel.ac.in/noc22_cs102/progassignment?name=149 Programming Assignments 2 for Week 2 is also released and can be accessed from the following link: https://onlinecourses.nptel.ac.in/noc22_cs102/progassignment?name=150 Programming Assignments 3 for Week 2 is also released and can be accessed from the following link: https://onlinecourses.nptel.ac.in/noc22_cs102/progassignment?name=151 Programming Assignments 4 for Week 2 is also released and can be accessed from the following link: https://onlinecourses.nptel.ac.in/noc22_cs102/progassignment?name=152 Programming Assignments 5 for Week 2 is also released and can be accessed from the following link: https://onlinecourses.nptel.ac.in/noc22_cs102/progassignment?name=153 For all the Programming Assignments du e date will be : Thursday, 11-08-2022 , 23:59 IST

Programming In Java - Week 3 content is live now!!

The lecture videos for Week 3 have been uploaded for the course Programming In Java . The lectures can be accessed using the following link: https://onlinecourses.nptel.ac.in/noc22_cs102/unit?unit=34&lesson=35

Assignment 3 for Week 3 is also released and can be accessed from the following link: https://onlinecourses.nptel.ac.in/noc22_cs102/unit?unit=34&assessment=154

The assignment has to be submitted on or before Wednesday,17/08/2022 , 23:59 IST. Programming Assignments 1 for Week 3 is also released and can be accessed from the following link: https://onlinecourses.nptel.ac.in/noc22_cs102/progassignment?name=155 Programming Assignments 2 for Week 3 is also released and can be accessed from the following link: https://onlinecourses.nptel.ac.in/noc22_cs102/progassignment?name=156 Programming Assignments 3 for Week 3 is also released and can be accessed from the following link: https://onlinecourses.nptel.ac.in/noc22_cs102/progassignment?name=157 Programming Assignments 4 for Week 3 is also released and can be accessed from the following link: https://onlinecourses.nptel.ac.in/noc22_cs102/progassignment?name=158 Programming Assignments 5 for Week 3 is also released and can be accessed from the following link: https://onlinecourses.nptel.ac.in/noc22_cs102/progassignment?name=159 For all the Programming Assignments du e date will be : Thursday, 18-08-2022 , 23:59 IST

Programming In Java - Week 3 Feedback Form

Programming in java - week 2 content is live now.

The lecture videos for Week 2 have been uploaded for the course Programming In Java . The lectures can be accessed using the following link: https://onlinecourses.nptel.ac.in/noc22_cs102/unit?unit=26&lesson=27

Assignment 2 for Week 2 is also released and can be accessed from the following link: https://onlinecourses.nptel.ac.in/noc22_cs102/unit?unit=26&assessment=148

The assignment has to be submitted on or before Wednesday,10/08/2022 , 23:59 IST. Programming Assignments 1 for Week 2 is also released and can be accessed from the following link: https://onlinecourses.nptel.ac.in/noc22_cs102/progassignment?name=149 Programming Assignments 2 for Week 2 is also released and can be accessed from the following link: https://onlinecourses.nptel.ac.in/noc22_cs102/progassignment?name=150 Programming Assignments 3 for Week 2 is also released and can be accessed from the following link: https://onlinecourses.nptel.ac.in/noc22_cs102/progassignment?name=151 Programming Assignments 4 for Week 2 is also released and can be accessed from the following link: https://onlinecourses.nptel.ac.in/noc22_cs102/progassignment?name=152 Programming Assignments 5 for Week 2 is also released and can be accessed from the following link: https://onlinecourses.nptel.ac.in/noc22_cs102/progassignment?name=153 For all the Programming Assignments du e date will be : Thursday, 11-08-2022 , 23:59 IST

Programming In Java - Week 2 Feedback Form

Programming in java - download video links are available now.

The download video link for the course Programming In Java is available now in the course outline. Please check the download video link: https://nptel.ac.in/courses/106105191

-NPTEL Team

Programming In Java - Week 1 Feedback Form

Programming in java - week 1 assignment is live now.

The assignment 1 for Week 1 for the course Programming In Java is made available early for viewing to get an idea about the assignments but the actual start date of the course remains unchanged.

Assignment 1 can be accessed using the following link: https://onlinecourses.nptel.ac.in/noc22_cs102/unit?unit=18&assessment=142

The other Assignment 1 is accessible from the navigation bar to the left under Week 1. Please remember to login into the website to view contents (if you aren't logged in already).

The assignment has to be submitted on or before Wednesday,10/08/2022 , 23:59 IST. Programming Assignments 1 for Week 1 is also released and can be accessed from the following link: https://onlinecourses.nptel.ac.in/noc22_cs102/progassignment?name=143 Programming Assignments 2 for Week 1 is also released and can be accessed from the following link: https://onlinecourses.nptel.ac.in/noc22_cs102/progassignment?name=144 Programming Assignments 3 for Week 1 is also released and can be accessed from the following link: https://onlinecourses.nptel.ac.in/noc22_cs102/progassignment?name=145 Programming Assignments 4 for Week 1 is also released and can be accessed from the following link: https://onlinecourses.nptel.ac.in/noc22_cs102/progassignment?name=146 Programming Assignments 5 for Week 1 is also released and can be accessed from the following link: https://onlinecourses.nptel.ac.in/noc22_cs102/progassignment?name=147 For all the Programming Assignments du e date will be : Thursday, 11-08-2022 , 23:59 IST

Programming In Java - Week 1 content is live now!!

Dear Students The lecture videos for Week 1 have been uploaded for the course Programming In Java . The lectures can be accessed using the following link: https://onlinecourses.nptel.ac.in/noc22_cs102/unit?unit=18&lesson=19 The other lectures of this week are accessible from the navigation bar to the left. Please remember to login into the website to view contents (if you aren't logged in already). As we have done so far, please use the discussion forums if you have any questions on this module. Thanks and Regards, --NPTEL Team

NPTEL: Exam Registration is open now for July 2022 courses!

Dear Learner,

Here is the much-awaited announcement on registering for the July 2022 NPTEL course certification exam.

1. The registration for the certification exam is open only to those learners who have enrolled in the course.

2. If you want to register for the exam for this course, login here using the same email id which you had used to enroll to the course in Swayam portal. Please note that Assignments submitted through the exam registered email id ALONE will be taken into consideration towards final consolidated score & certification.

3 . Date of exam: Oct 30, 2022

CLICK HERE to register for the exam.

Choose from the Cities where exam will be conducted: Exam Cities

4. Exam fees:

If you register for the exam and pay before Sep 12, 2022, 10:00 AM, Exam fees will be Rs. 1000/- per exam .

If you register for exam before Sep 12, 2022, 10:00 AM and have not paid or if you register between Sep 12, 2022, 10:00 AM & Sep 16, 2022, 10:00 AM, Exam fees will be Rs. 1500/- per exam

5. 50% fee waiver for the following categories:

Students belonging to the SC/ST category: please select Yes for the SC/ST option and upload the correct Community certificate.

Students belonging to the PwD category with more than 40% disability: please select Yes for the option and upload the relevant Disability certificate.

6. Last date for exam registration: Sep 16, 2022, 10:00 AM (Friday).

7. Mode of payment: Online payment - debit card/credit card/net banking/UPI.

8. HALL TICKET:

The hall ticket will be available for download tentatively by 2 weeks prior to the exam date . We will confirm the same through an announcement once it is published.

9. FOR CANDIDATES WHO WOULD LIKE TO WRITE MORE THAN 1 COURSE EXAM:- you can add or delete courses and pay separately – till the date when the exam form closes. Same day of exam – you can write exams for 2 courses in the 2 sessions. Same exam center will be allocated for both the sessions.

10. Data changes:

Last date for data changes: Sep 16, 2022, 10:00 AM :

All the fields in the Exam form except for the following ones can be changed until the form closes.

The following 6 fields can be changed ONLY when there are NO courses in the course cart. And you will be able to edit the following fields only if you: -

REMOVE unpaid courses from the cart And/or - CANCEL paid courses

1. Do you come under the SC/ST category? *

2. SC/ST Proof

3. Are you a person with disabilities? *

4. Are you a person with disabilities above 40%?

5. Disabilities Proof

6. What is your role ?

Note: Once you remove or cancel a course, you will be able to edit these fields immediately.

But, for cancelled courses, refund of fees will be initiated only after 2 weeks.

11. LAST DATE FOR CANCELLING EXAMS and getting a refund: Sep 16, 2022, 10:00 AM

12. Click here to view Timeline and Guideline : Guideline

Domain Certification

Domain Certification helps learners to gain expertise in a specific Area/Domain. This can be helpful for learners who wish to work in a particular area as part of their job or research or for those appearing for some competitive exam or becoming job ready or specialising in an area of study.

Every domain will comprise Core courses and Elective courses. Once a learner completes the requisite courses per the mentioned criteria, you will receive a Domain Certificate showcasing your scores and the domain of expertise. Kindly refer to the following link for the list of courses available under each domain: https://nptel.ac.in/domains

Outside India Candidates

Candidates who are residing outside India may also fill the exam form and pay the fees. Mode of exam and other details will be communicated to you separately.

Thanks & Regards,

Programming In Java - Assignment-0-RELEASED

We welcome you all to this course. The assignment 0 for the course Programming In Java has been released. This assignment is based on a prerequisite of the course. Kindly note that marks obtained in this assignment will not be considered for the final assessment. You can find the assignment under Week 0 unit on the left-hand side of your screen. You can submit the assignment multiple times. All the best !!

Programming In Java: Welcome to NPTEL Online Course - July 2022!!

Every week, about 2.5 to 4 hours of videos containing content by the Course instructor will be released along with an assignment based on this. Please watch the lectures, follow the course regularly and submit all assessments and assignments before the due date. Your regular participation is vital for learning and doing well in the course. This will be done week on week through the duration of the course.
Please do the assignments yourself and even if you take help, kindly try to learn from it. These assignments will help you prepare for the final exams. Plagiarism and violating the Honor Code will be taken very seriously if detected during the submission of assignments.
The announcement group - will only have messages from course instructors and teaching assistants - regarding the lessons, assignments, exam registration, hall tickets, etc.
The discussion forum (Ask a question tab on the portal) - is for everyone to ask questions and interact. Anyone who knows the answers can reply to anyone's post and the course instructor/TA will also respond to your queries.
Please make maximum use of this feature as this will help you learn much better.
If you have any questions regarding the exam, registration, hall tickets, results, queries related to the technical content in the lectures, any doubts in the assignments, etc can be posted in the forum section
The course is free to enroll and learn from. But if you want a certificate, you have to register and write the proctored exam conducted by us in person at any of the designated exam centres.
The exam is optional for a fee of Rs 1000/- (Rupees one thousand only).
Date and Time of Exams: October 30, 2022 Morning session 9am to 12 noon; Afternoon Session 2 pm to 5 pm.
Registration URL: Announcements will be made when the registration form is open for registrations.
The online registration form has to be filled and the certification exam fee needs to be paid. More details will be made available when the exam registration form is published. If there are any changes, it will be mentioned then.
Please check the form for more details on the cities where the exams will be held, the conditions you agree to when you fill the form etc.
Once again, thanks for your interest in our online courses and certification. Happy learning.

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Week 1 Week 2 Week 3 Week 4 Week 5 Week 6 Week 7 Week 8 Week 9 Week 10 Week 11 Week 12

Java Week 1:Q1 To find the perimeter and area of a circle given a value of radius.

Java Week 1:Q2 To find the largest among three numbers x, y, and z.

Java Week 1:Q3 Consider First n even numbers starting from zero(0) and calculate sum of all the numbers divisible by 3 from 0 to n. Print the sum.

Java Week 1:Q4 To check whether the number is an Armstrong number or not.

Java Week 1:Q5 To help Ram , find the highest mark and average mark secured by him in "s" number of subjects.

Java Week 2:Q1 To call the method print() in class Student following the concept of inner class.

Java Week 2:Q2 To call the method print() of class Student first and then call print() method of class School.

Java Week 2:Q3 To call print() method of class Question by creating a method named ‘studentMethod()’.

Java Week 2:Q4 To call default constructor first and then any other constructor in the class Answer.

Java Week 2:Q5 To debug the program which is intended to print 'NPTEL JAVA'.

Java Week 3:Q1 To the generation of Fibonacci numbers.

Java Week 3:Q2 Define a class Point with two fields x and y each of type double. Also , define a method distance(Point p1, Point p2) to calculate the distance between points p1 and p2 and return the value in double. Complete the code segment given below. Use Math.sqrt( ) to calculate the square root.

Java Week 3:Q3 A class Shape is defined with two overloading constructors in it. Another class Test1 is partially defined which inherits the class Shape. The class Test1 should include two overloading constructors as appropriate for some object instantiation shown in main( ) method. You should define the constructors using the super class constructors. Also, override the method calculate( ) in Test1 to calculate the volume of a Shape.

Java Week 3:Q4 This program to exercise the call of static and non-static methods. A partial code is given defining two methods, namely sum( ) and multiply ( ). You have to call these methods to find the sum and product of two numbers.

Java Week 3:Q5 To swap two numbers using call by object reference.

Java Week 4:Q1 To execute the following program successfully. You should import the correct package(s) and/or class(s) to complete the code.

Java Week 4:Q2 To print the current year.

Java Week 4:Q3 The program in this assignment is attempted to print the following output:

Java Week 4:Q4 To call the default method in the interface First and Second.

Java Week 4:Q5 To print the following output.

Java Week 5:Q1 An interface Number is defined in the following program. You have to declare a class A, which will implement the interface Number. Note that the method findSqr(n) will return the square of the number n.

Java Week 5:Q2 This program is to find the GCD (greatest common divisor) of two integers writing a recursive function findGCD(n1,n2). Your function should return -1, if the argument(s) is(are) other than positive number(s).

Java Week 5:Q3 Complete the code segment to catch the ArithmeticException in the following, if any. On the occurrence of such an exception, your program should print “Exception caught: Division by zero.” If there is no such exception, it will print the result of division operation on two integer values.

Java Week 5:Q4 In the following program, an array of integer data to be initialized. During the initialization, if a user enters a value other than integer value, then it will throw InputMismatchException exception. On the occurrence of such an exception, your program should print “You entered bad data.” If there is no such exception it will print the total sum of the array.

Java Week 5:Q5 In the following program, there may be multiple exceptions. You have to complete the code using only one try-catch block to handle all the possible exceptions.

For example, if user’s input is 1, then it will throw and catch “java.lang.NullPointerException“.

Java Week 6:Q1 Complete the code segment to print the following using the concept of extending the Thread class in Java:

Java Week 6:Q2 In the following program, a thread class ThreadRun is created using the Runnable interface which prints "Thread using Runnable interface". Complete the main class to create a thread object of the class ThreadRun and run the thread,

Java Week 6:Q3 A part of the Java program is given, which can be completed in many ways, for example using the concept of thread, etc. Follow the given code and complete the program so that your program prints the message "NPTEL Java". Your program should utilize the given interface/ class.

Java Week 6:Q4 Execution of two or more threads occurs in a random order. The keyword 'synchronized' in Java is used to control the execution of thread in a strict sequence. In the following, the program is expected to print some numbers. Do the necessary use of 'synchronized' keyword, so that, the program prints the output in the following order:

Java Week 6:Q5 Add necessary codes to print the following:

Java Week 7:Q1 Complete the following code fragment to read three integer values from the keyboard and find the sum of the values. Declare a variable "sum" of type int and store the result in it.

Java Week 7:Q2 Complete the code segment to catch the exception in the following, if any. On the occurrence of such an exception, your program should print “Please enter valid data” .If there is no such exception, it will print the "square of the number".

Java Week 7:Q3 A byte char array is initialized. You have to enter an index value"n". According to index your program will print the byte and its corresponding char value. Complete the code segment to catch the exception in the following, if any. On the occurrence of such an exception, your program should print “exception occur” .If there is no such exception, it will print the required output.

Java Week 7:Q4 The following program reads a string from the keyboard and is stored in the String variable "s1". You have to complete the program so that it should should print the number of vowels in s1 . If your input data doesn't have any vowel it will print "0".

Java Week 7:Q5 A string "s1" is already initialized. You have to read the index "n" from the keyboard. Complete the code segment to catch the exception in the following, if any. On the occurrence of such an exception, your program should print “exception occur” .If there is no such exception, your program should replace the char "a" at the index value "n" of the "s1" ,then it will print the modified string.

Java Week 8:Q1 Write a program which will print a pyramid of " " 's of height "n" and print the number of " " 's in the pyramid.

Java Week 8:Q2 Write a program which will print a pascal pyramid of "*" 's of height "l" .

Java Week 8:Q3 Write a program which will print a pyramid of "numbers" 's of height "n" and print the sum of all number's in the pyramid.

Java Week 8:Q4 Write a program to print symmetric Pascal's triangle of "*" 's of height "l" of odd length . If input "l" is even then your program will print "Invalid line number".

Java Week 8:Q5 Write a program to display any digit(n) from 0-9 using "7 segment display".

Java Week 9:Q1 Complete the code to develop a BASIC CALCULATOR that can perform operations like Addition, Subtraction, Multiplication and Division.

Java Week 9:Q2 Complete the code to develop an ADVANCED CALCULATOR that emulates all the functions of the GUI Calculator as shown in the image.

Java Week 9:Q3 Complete the code to perform a 45 degree anti clock wise rotation with respect to the center of a 5 × 5 2D Array as shown below:

Java Week 9:Q4 A program needs to be developed which can mirror reflect any 5 × 5 2D character array into its side-by-side reflection. Write suitable code to achieve this transformation as shown below:

Java Week 9:Q5 Write suitable code to develop a 2D Flip-Flop Array with dimension 5 × 5, which replaces all input elements with values 0 by 1 and 1 by 0. An example is shown below:

Java Week 10:Q1 The following code needs some package to work properly. Write appropriate code to import the required package(s) in order to make the program compile and execute successfully.

Java Week 10:Q2 Write the JDBC codes needed to create a Connection interface using the DriverManager class and the variable DB_URL. Check whether the connection is successful using 'isAlive(timeout)' method to generate the output, which is either 'true' or 'false'.

Java Week 10:Q3 Due to some mistakes in the below code, the code is not compiled/executable. Modify and debug the JDBC code to make it execute successfully.

Java Week 10:Q4 Complete the code segment to create a new table named ‘PLAYERS’ in SQL database using the following information.

Java Week 10:Q5 Complete the code segment to rename an already created table named ‘PLAYERS’ into ‘SPORTS’.

Java Week 11:Q1 Complete the code segment to insert the following data using prepared statement in the existing table ‘PLAYERS’.

Java Week 11:Q2 Write the required code in order to update the following data in the table ‘PLAYERS’.

Java Week 11:Q3 Write the appropriate code in order to delete the following data in the table ‘PLAYERS’.

Java Week 11:Q4 Complete the following program to calculate the average age of the players in the table ‘PLAYERS’.

Structure of Table 'PLAYERS' is given below:

Java Week 11:Q5 Complete the code segment to drop the table named ‘PLAYERS’.

Java Week 12:Q1 Complete the code to develop an extended version of the ADVANCED CALCULATOR with added special functions that emulates all the functions of the GUI Calculator as shown in the image.

Java Week 12:Q2 A partial code fragment is given. The URL class object is created in try block.You should write appropriate method( ) to print the protocol name and host name from the given url string.

Java Week 12:Q3 Write a program to create a record by taking inputs using Scanner class as first name as string ,last name as string ,roll number as integer ,subject1 mark as float,subject2 mark as float. Your program should print in the format

Java Week 12:Q4 A program code is given to call the parent class static method and instance method in derive class without creating object of parent class. You should write the appropriate code so that the program print the contents of static method() and instance method () of parent class.

Java Week 12:Q5 Write a recursive function to print the sum of first n odd integer numbers. The recursive function should have the prototype

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Programming in Java NPTEL Assignment Answers of Week 7(2023)

In this post We are solving the Programming in Java NPTEL Assignment Answers of Week 7(2023)

1] Which of these is a type of IO stream in Java? a] Integer stream b] Short stream c] Byte stream d] Character stream

Answer : c , d

2] Which of the following is a class in java. io package? a] FileReader b] ObjectInput c] ObjectOutput d] Datalnput

3] Consider the following program.

What will be the output if the above program is executed? a] It will give compile-time error.

4] Consider the following program.

What is the output of the above code? a] java/programm/2023 b] java/programm/ c] java d] 2023

5] Which method is used to read b length bytes from the input stream into an array? a] public void read(int b)throws IOException{ { b] public int read(byte[ ] b)throws IOException { } c] public void ] b)throws IOException{} d] public int read(int b)throws IOException { }

6] How many standard streams Java can support?

7] Which of the following stream is different from others? a] System.in b] System.out c] PrintStream d] FileOutputStream

8] Which of the following is used to read a string from the input stream?

a] get() b] readLine( ) c] getLine( ) d] read( )

9] Which of the following class(es) can be used for handling files in Java? a] java.files b] java.io.File c] java.io d] java.Filehandling

10] Which of the following statement(s) is/are true? a] The default delimiters for a Scanner object are the white space characters. b] The Scanner class has instance methods for reading each of the Java primitive types except char. c] The Scanner methods do not throw any checked exceptions. d] The Scanner class can be found in the java.util package.

Answer : a , b, d

Week 7 : Programming Assignment 1

1] A byte char array is initialized. You have to enter an index value”n”. According to index your program will print the byte and its corresponding char value. Complete the code segment to catch the exception in the following, if any. On the occurrence of such an exception, your program should print “exception occur” .If there is no such exception, it will print the required output.

Week 7 : Programming Assignment 2

2] The following program reads a string from the keyboard and is stored in the String variable “s1”. You have to complete the program so that it should should print the number of vowels in s1 . If your input data doesn’t have any vowel it will print “0”.

Week 7 : Programming Assignment 3

3] A string “s1” is already initialized. You have to read the index “n” from the keyboard. Complete the code segment to catch the exception in the following, if any. On the occurrence of such an exception, your program should print “exception occur” .If there is no such exception, your program should replace the char “a” at the index value “n” of the “s1” ,then it will print the modified string.

Week 7 : Programming Assignment 4

4] Complete the following code fragment to read three integer values from the keyboard and find the sum of the values. Declare a variable “sum” of type int and store the result in it.

Week 7 : Programming Assignment 5

5] Complete the code segment to catch the exception in the following, if any. On the occurrence of such an exception, your program should print “Please enter valid data” .If there is no such exception, it will print the “square of the number”.

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NPTEL » Programming In Java Assignment week 7 Sep-2020

by QuizXp Team
October 20, 2020 March 14, 2022

nptel week 7 assignment answers programming in java

NPTEL Java Assignment week 7

With the growth of Information and Communication Technology, there is a need to develop large and complex software. To meet this requirement object-oriented paradigm has been developed and based on this paradigm the Java programming language emerges as the best programming environment.

Programming in Java is a MOOC based course which is 12 weeks in duration and can fulfill the criteria of 4 credits in a year. You can visit the NPTEL SWAYAM platform and register yourself for the course. This course is brought to you by Prof. Dr. Debasis Samanta who holds a Ph.D. in Computer Science and Engineering from the Indian Institute of Technology Kharagpur.

Programming In Java 2020 Details:-

Who Can Join: The undergraduate students from the engineering disciplines namely CSE, IT, EE, ECE, etc. might be interested in this course.
Requirements/Prerequsites: The course requires that the students are familiar with a programming language such as C/C++ and data structures, algorithms.
INDUSTRY SUPPORT: All IT companies.

Programming In Java Assignment 7 Answers 2022

Java Assignment Week 7 Answers:-

Java Week 7: Q1 .

Complete the following code/program fragment to read 3 integer values from the keyboard and find the sum of the values. Declare a variable “sum” of type int and store the result in it.

Answer/Code:-

import java.util.*; public class Question1{ public static void main (String[] args){

//Write the appropriate code to read the 3 integer values and find their sum. int a,b=0,sum=0; Scanner i = new Scanner(System.in); for(a=0; a<3; a++) { b=i.nextInt(); sum=sum+b;} System.out.println(sum);} }

Java Week 7: Q2

Complete the code to catch / find the exception in the following, if any. On the occurrence of such an exception, your program should print “Please enter valid data”.If there is no such exception, it will print the “square of the number”.

import java.io. ;

public class Question2{

public static void main(String args[])

{ try{InputStreamReader r=new InputStreamReader(System.in);

BufferedReader br=new BufferedReader(r);

String number=br.readLine();

int x = Integer.parseInt(number);

System.out.print(x x);} catch(Exception e){ System.out.print(“Please enter valid data”);}

Java Week 7: Q3

A byte char array is initialized. You have to enter an index value”n”. According to index your program will print the byte and its corresponding char value. Complete the code segment to catch /find the exception in the following, if any. On the occurrence of such an exception, your program should print “exception occur” .If there is no such exception, it will print the required output.

Answer/code:-

import java.util.*; public class Question3 { public static void main(String[] args) { try{ byte barr[]={‘N’,’P’,’T’,’E’,’L’,’-‘,’J’,’A’,’V’,’A’,’J’,’A’,’N’,’-‘,’N’,’O’,’C’,’C’,’S’,’E’}; Scanner inr = new Scanner(System.in); int n = inr.nextInt(); // Complete the code to get specific indexed byte value and its corresponding char value. String str=new String(barr,n,1); System.out.println(barr[n]); System.out.print(str);} catch (Exception e){ System.out.println(“exception occur”);}}}

NPTEL » Programming In Java Assignment week 6 Sep-2020

Java Week 7: Q4

The following program/ code has a string from the keyboard and is stored in the String variable “s1”. Complete the program/code so that it should print the number of vowels in s1 . If your input data doesn’t have any vowel it will print “0”.

import java.io. ; import java.util. ;

public class Question4{ public static void main(String[] args) { int c=0; try{ InputStreamReader r=new InputStreamReader(System.in); BufferedReader br=new BufferedReader(r); String s1 = br.readLine(); //Write your code here to count the number of vowels in the string “s1” for(int i=0;i<s1.length();i++){ char s=s1.charAt(i); if(s==’a’||s==’A’||s==’e’||s==’E’||s==’i’||s==’I’||s==’o’||s==’O’||s==’u’|| s==’U’) {c=c+1;}} System.out.println(c); } catch (Exception e){ System.out.println(e);} } }

Java Week 7: Q5 –

A string “s1” is already initialized. You have to read the index “n” from the keyboard. Complete the code / program segment to catch the exception in the following code if any . On the occurrence of such exception, the program should print “exception occur”.If there is no such exception then your program should replace the char “a” at the index value “n” of the “s1” , then it will print the modified string

import java.util.*; public class Question5 { public static void main(String[] args) { try{ String s1=”NPTELJAVA”; Scanner inr = new Scanner(System.in); int n = inr.nextInt(); char c=’a’; //Replace the char in string “s1” with the char ‘a’ at index “n” and print the modified string byte[] barr=s1.getBytes(); byte b1=(byte) c; barr[n]=b1; System.out.print(new String(barr));} catch (Exception e){ System.out.println(“exception occur”);} } }

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Sunday, April 14, 2024

NPTEL Programming in Java Week7 Assignment Solution July 2023

NPTEL Programming in Java Week7 All Programming Assignment Solutions – July 2023 | Swayam. With the growth of Information and Communication Technology, there is a need to develop large and complex software.

Further, those software should be platform independent, Internet enabled, easy to modify, secure, and robust. To meet this requirement object-oriented paradigm has been developed and based on this paradigm the Java programming language emerges as the best programming environment.

Now, Java programming language is being used for mobile programming, Internet programming, and many other applications compatible to distributed systems.

This course aims to cover the essential topics of Java programming so that the participants can improve their skills to cope with the current demand of IT industries and solve many problems in their own filed of studies.

COURSE LAYOUT

Week 1 : Overview of Object-Oriented Programming and Java
Week 2 : Java Programming Elements
Week 3 : Input-Output Handling in Java
Week 4 : Encapsulation
Week 5 : Inheritance
Week 6 : Exception Handling
Week 7 : Multithreaded Programming
Week 8 : Java Applets and Servlets
Week 9 : Java Swing and Abstract Windowing Toolkit (AWT)
Week 10 : Networking with Java
Week 11: Java Object Database Connectivity (ODBC)
Week 12: Interface and Packages for Software Development

Course Name : “Programming in Java 2023”

Question : 1 Complete the following code fragment to read three integer values from the keyboard and find the sum of the values. Declare a variable “sum” of type int and store the result in it.

Question : 2 Complete the code segment to catch the exception in the following, if any. On the occurrence of such an exception, your program should print “ Please enter valid data ” .If there is no such exception, it will print the “ square of the number “.

Question : 3 A byte char array is initialized. You have to enter an index value” n “. According to index your program will print the byte and its corresponding char value. Complete the code segment to catch the exception in the following, if any. On the occurrence of such an exception, your program should print “ exception occur ” .If there is no such exception , it will print the required output.

Question : 4 The following program reads a string from the keyboard and is stored in the String variable “ s1 “. You have to complete the program so that it should should print the number of vowels in s1 . If your input data doesn’t have any vowel it will print “ 0 “.

Question : 5 A string “ s1 ” is already initialized. You have to read the index “ n ” from the keyboard. Complete the code segment to catch the exception in the following, if any. On the occurrence of such an exception, your program should print “ exception occur ”. If there is no such exception, your program should replace the char “ a ” at the index value “ n ” of the “ s1 “, then it will print the modified string.

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NPTEL Programming In Java Week 7 Assignment Answers 2024

Understanding NPTEL Programming In Java

NPTEL (National Programme on Technology Enhanced Learning) has been at the forefront of providing high-quality education in various technical fields, including programming in Java. As a student enrolled in the NPTEL Java programming course, you're likely familiar with the rigorous assignments designed to test your understanding and skills.

NPTEL Programming In Java Week 7 Assignment Answers 2024

Importance of Week 7 Assignments

Week 7 assignments in the NPTEL Java programming course are crucial as they typically cover advanced topics and concepts. These assignments serve as a litmus test for your grasp of Java programming fundamentals and your ability to apply them to solve real-world problems. Excelling in these assignments not only demonstrates your proficiency but also enhances your overall learning experience.

NOTE:- Answers will be updated shortly and it will be notified in our Youtube & Telegram Group . So Join Now

1. Which stream does Java application uses to read data from a source, it may be a file, an array, peripheral device or socket?

A. inputstream , **answer: a. inputstream** , **reason:** inputstream is the correct option because it's the superclass of all classes representing an input stream of bytes. it's designed for reading byte input., 2. what is the primary purpose of input streams in java, a. to write data to a file. , **answer: b. to read data from a file.** , **reason:** input streams in java are primarily used for reading data from a source, such as a file, an array, or a network connection. writing data to a file is typically done using output streams., 3. which class in java is used to create a new directory, a. filereader , **answer: c. file** , **reason:** the file class in java is used for file and directory manipulation. it represents the pathname of a file or directory., 4. which class in java is used to read data line by line from a file, a. bufferedreader , **answer: a. bufferedreader** , **reason:** bufferedreader class in java is used for reading text from a character-input stream, buffering characters so as to provide for the efficient reading of characters, arrays, and lines., 5. what does the following code do, fileinputstream fis = new fileinputstream(“test.dat”);, a. it creates a new file named test.dat if it does not exist and opens the file so you can write to it, if write permission is available. , **answer: d. it creates a new file named test.dat regardless of whether it exists or not and opens the file so you can read from it and write to it, if write permission is available.** , **reason:** fileinputstream opens a file input stream to read from the specified file., 6. what is the output of this program (assume ‘inputoutput.java’ file exists in the current directory), nptel programming in java week 7 assignment answers 2024 , **answer: a. true** , **reason:** without seeing the code, it's difficult to determine the exact output. but if the program checks for the existence of a file named 'inputoutput.java', and it exists, then the output could be true., 7. what will be the output of the following java program, **answer: a. abc** , **reason:** without the program code, it's hard to say for sure. but if the program simply prints "abc", then the answer would be option a., 8. what is the output of the following java program, **answer: b. compiler error** , **reason:** without seeing the program code, it's impossible to determine the output. however, if there's a compilation error in the program, then the output would indeed be a compiler error., 9. in order to restrict a variable of a class from inheriting to subclass, how variable should be declared, a. protected , **answer: b. private** , **reason:** private variables are not accessible outside the class they are declared in, including subclasses. this effectively restricts their inheritance., 10. a _____________ is a type of object that organizes components in a container., a. event adapter , **answer: c. layout manager** , **reason:** a layout manager in java is responsible for organizing the components within a container, determining their size and position. it's used to achieve a consistent layout across different platforms and window sizes..

Key Concepts Covered in Week 7

1. Object-Oriented Programming (OOP) Principles

Week 7 delves deeper into object-oriented programming principles, building upon the foundational knowledge acquired in previous weeks. Concepts such as inheritance, polymorphism, encapsulation, and abstraction are explored in greater detail, challenging students to implement them effectively in their assignments.

2. Data Structures and Algorithms

A solid understanding of data structures and algorithms is indispensable for any Java programmer. Week 7 assignments often involve tasks that require the manipulation of complex data structures such as linked lists, stacks, queues, trees, and graphs. Additionally, students are tasked with implementing various algorithms for sorting, searching, and traversing these data structures efficiently.

3. Exception Handling and Error Management

Java's robust exception handling mechanism is a fundamental aspect of writing reliable and maintainable code. Week 7 assignments typically include scenarios where students must anticipate and handle exceptions gracefully to ensure the robustness and stability of their programs. Proper error management techniques, including try-catch blocks, throw statements, and custom exception classes, are emphasized to mitigate unexpected runtime errors.

4. GUI Development

Graphical User Interface (GUI) development is introduced in Week 7, allowing students to create interactive and user-friendly Java applications. Assignments in this module often require students to design and implement GUI components using Swing or JavaFX libraries, incorporating event handling and layout management techniques to enhance the user experience.

Strategies for Success in Week 7 Assignments

1. Start Early and Plan Strategically

Given the complexity of Week 7 assignments, it's essential to start early and allocate sufficient time to understand the requirements thoroughly. Break down the tasks into manageable subtasks and create a timeline to ensure steady progress.

2. Review Previous Concepts

Week 7 builds upon the concepts covered in earlier weeks, so it's beneficial to review and reinforce your understanding of foundational topics such as variables, operators, control structures, and methods. Understanding how these concepts relate to more advanced topics will facilitate smoother comprehension and application.

3. Practice Regularly

Consistent practice is key to mastering Java programming. Dedicate time each day to solving practice problems, experimenting with code, and exploring additional resources such as online tutorials, textbooks, and programming forums. The more you practice, the more confident and proficient you'll become in tackling Week 7 assignments.

4. Seek Help When Needed

Don't hesitate to seek assistance from your peers, instructors, or online communities if you encounter challenges or uncertainties while working on Week 7 assignments. Collaborating with others can provide valuable insights, alternative perspectives, and solutions to overcome obstacles effectively.

Week 7 assignments in the NPTEL Java programming course represent a significant milestone in your journey towards mastering Java programming. By understanding the key concepts, employing effective strategies, and staying committed to continuous learning and improvement, you can conquer these assignments with confidence and excel in your programming endeavors.

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NPTEL Programming In Java Week 7 Assignment Answers 2024

1. Which stream does Java application uses to read data from a source, it may be a file, an array, peripheral device or socket?

a. InputStream b. OutputStream c. Input/OutputStream d. None of the above

2. What is the primary purpose of input streams in Java?

a. To write data to a file. b. To read data from a file. c. To append data to a file. d. To create directories.

3. Which class in Java is used to create a new directory?

a. FileReader b. FileWriter c. File d. Directory

4. Which class in Java is used to read data line by line from a file?

a. BufferedReader b. FileInputStream c. FileWriter d. OutputStream

5. What does the following code do?

FileInputStream fis = new FileInputStream(“test.dat”);

a. It creates a new file named test.dat if it does not exist and opens the file so you can write to it, if write permission is available. b. It thows an error if the file named test.dat does not exist and opens the file, if it exists, so you can read from it and write into it, if write permission is available. c. It creates a new file named test.dat regardless of whether it exists or not and opens the file so you can write to it, if write permission is available. d. It creates a new file named test.dat regardless of whether it exists or not and opens the file so you can read from it and write to it, if write permission is available.

6. What is the output of this program? (Assume ‘inputoutput.java’ file exists in the current directory)

a. true b. false c. prints number of bytes in file d. prints number of characters in the file

7. What will be the output of the following Java program?

a. abc b. abcd c. abcde d. none of the mentioned

8. What is the output of the following Java program?

a. 30 b. Compiler Error c. Garbage value d. 0

9. In order to restrict a variable of a class from inheriting to subclass, how variable should be declared?

a. Protected b. Private c. Public d. Static

10. A _____________ is a type of object that organizes components in a container.

a. Event adapter b. Event Handler c. Layout manager d. Grid Manager

Programming in Java | NPTEL | Week 7 quiz solutions

This set of MCQ(multiple choice questions) focuses on the Programming in Java Week 7 Solutions .

Course layout (Answers Link)

Answers COMING SOON! Kindly Wait!

Week 1 : Overview of Object-Oriented Programming and Java Programming Assignment Week 2: Java Programming Elements Programming Assignment Week 3: Input-Output Handling in Java Programming Assignment Week 4: Encapsulation Programming Assignment Week 5: Inheritance Programming Assignment Week 6: Exception Handling Programming Assignment Week 7: Multithreaded Programming Programming Assignment Week 8: Java Applets and Servlets Programming Assignment Week 9: Java Swing and Abstract Windowing Toolkit Programming Assignment Week 10: Networking with Java Week 11: Java Object Database Connectivity Week 12: Interface and Packages for Software Development

NOTE: You can check your answer immediately by clicking show answer button. Programming in Java Week 7 Solutions” contains 10 questions.

Now, start attempting the quiz.

Programming in Java Week 7 Solutions

Q1. Consider the following program. What will be the output of the above program is executed?

a) It will give compile-time error b) 102 c) 42 d) f

Answer: d) f

Q2. Which method is used to write an array of byte to the current output stream?

a) public void write(int b) throws IOException {{ b) public void flush(byte[] b) throws IOException {} c) public void write(byte[] b) throws IOException {} d) public int write(int b) throws IOException {}

Q3. Which of the followng is NOT a Standard Stream?

a) System.in b) System.out c) System.err d) System.console

Answer: d) System.console

Q4. Which of the following method(s) not included in OutputStream class?

a) close() b) write() c) skip() d) flush()

Answer: c) skip()

Q5. Which of the following method of the BufferedReader class is used for reading lines of text from the console, the file or other input streams?

a) read() b) readLine() c) readByte() d) read(byte[] b)

Answer: b) readLine()

Q6. Consider the following program. What is the output of the above code?

a) java/course/july/2023 b) java/course/july/ c) java/course/ d) 2023

Answer: a) java/course/july/2023

Q7. Which of the following is/are interface(s) in java.io package?

a) FileWriter b) FileFilter c) ObjectOutput d) DataOutput

Answer: b), c), d)

Q8. Fill in the blanks. The class DataInputStream extends _________ and implements the interface _____________.

a) FileInputStream, FileInput b) FilterInputStream, DataInput c) FilterInputStream, FileInput d) FileInputStream, DataInput

Answer: b) FilterInputStream, DataInput

Q9. Which of the following method(s) not included in InputStream class?

a) available() b) reset() c) read() d) flush()

Answer: d) flush()

Q10. Which of the following package contains a large number of stream classes that provide capabilities for processing all types of data?

a) java.awt b) java.io c) java.net d) java.util

Answer: b) java.io

Q1. Which of these is a type of IO stream in Java?

a) Integer stream b) Short stream c) Byte stream d) Character stream

Answer: c), d)

Q2. Which of the following is a class in java.io package?

a) FileReader b) ObjectInput c) ObjectOutput d) DataInput

Q3. What will be the output if the above program is executed?

a) It will give compile-time error b) B c) 66 d) r

Q4. What is the output of the above code?

a) java/program/2023 b) java/programm/ c) java d) 2023

Q5. Which method is used to read b length bytes from the input stream into an array?

a) public void read(int b) throws IOException{{ b) public int read(bute[] b) throws IOException{} c) public void read(byte[] b) throws IOException{} d) public int read(int b) throws IOException{}

Q6. How many standard streams Java can support?

a) 2 b) 3 c) 4 d) 1

Q7. Which of the following stream is different from others?

a) System.in b) System.out c) PrintStream d) FileOutputStream

Q8. Which of the following is used to read a string from the input stream?

a) get() b) readLine() c) getLine() d) read()

Q9. Which of the following class(es) can be use for handling files in Java?

a) java.files b) java.io.File c) java.io d) java.Filehandling

Q10. Which of the following statement(s) is/are true?

a) The default delimiters for a Scanner object are the white space characters b) The Scanner class has instance methods for reading each of the Java primitive types except char c) The Scanner methods do not throw any checked exceptions d) The Scanner class can be found in the java.util package

Answer: a), b), d)

Previous – Programming in Java Week 7 Solutions

Q1. Which of these is method for testing whether the specified element is a file or a directory?

a) IsFile() b) isFile() c) Isfile() d) isfile()

Answer: b) isFile()

Q2. Which of the following is/are NOT Standard Stream(s)?

Q3. What will be the output of the Java code?

a) NPTEL b) NPTEL/JULY/2022 c) /NPTEL/JULY/2022 d) 2022

Answer: d) 2022

Q4. What will be the output if the above program is executed?

a) It will give compile-time error b) It will give run-time error c) j d) 106

Answer: d) 106

Q5. Which method is used to write a byte to the current output stream?

a) public void write(int b) throws IOException b) public void write(byte[] b) throws IOException c) public void flush() throws IOException d) public void close() throws IOException

Answer: a) public void write(int b) throws IOException

Q6. Which method of RandomAccessFile class reads a line from the file and returns it as a String?

a) WriteInt() b) readLine() c) readInt() d) WriteDouble()

Q7. Which of these class is not a member class of java.io package?

a) File b) PrintStream c) StringReader d) Stream

Answer: d) Stream

Q8. Which of the following is/are interface(s) of java.io package?

a) FileReader b) FileWriter c) DataOutput d) DataInput

Q9. In which Java APIs the classes for handling all IO-streams are defined?

a) java.lang b) java.util c) java.io d) java.awt

Answer: c) java.io

Q10. If the program is executed, then what will be the output from the execution?

a) length: 6 b) length: 5 c) length: 0 d) length: 1

Answer: b) length: 5

Previous Course – Week 7 Quiz Solutions

Q1. Which of the following streams contains the classes which can work on character stream?

a) InputStream b) OutputStream c) FileReader d) FileWriter

Q2. In which Java APIs the classes for handling all IO-streams are defined?

Answer: c) j

Q4. Which of the following is the correct output for the ‘try’ portion of the code?

a) Prints the number of bytes in the file b) Prints the number of characters in the file c) Prints ‘true’, if the file is present; else prints ‘false’ d) Prints nothing, as an exception will be caught

Answer: b) Prints the number of characters in the file

Q5. Which methods is used to write an array of byte to the current output stream?

a) public void write(int b)throws IOException b) public void write(byte[] b)throws IOException c) public void flush()throws IOException d) public void close()throws IOException

Answer: b) public void write(byte[] b)throws IOException

Q6. Which of the following is/are Standard Stream(s)?

Answer: a), b), c)

Q7. Which of the following method in java.io package help in clearing the contents of the buffer?

a) flush() b) clear() c) append() d) exit()

Answer: a) flush()

Q8. Which method of RandomAcessFile class reads a line from the file and returns it as a String?

Q9. Which of the following is/are interface(s) of java.io package?

a) DataStreams detects an end-of-file condition by using EOFException, instead of testing for an invalid return value b) DataStreams uses floating point numbers to represent monetary values c) Data streams support I/O of primitive data types d) Object streams support I/O of objects

Answer: a), b), c), d)

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Nptel programming in java week 7 assignment answers 2022.

Students, it’s time to reveal the hint of programming in java NPTEL week 7 assignment answers. And, identify where you can improve your marks in this assignment.

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NPTEL Programming In Java Week 7 Assignment Answers

Q1. Which of these is method for testing whether the specified element is a file or a directory?

a. IsFile()

b. isFile() c. Isfile()

d. isfile()

Answer : b. isFile()

1000+ Students are taking advantage of instant notifications on telegram .

Q2. Which of the following is/are NOT Standard Stream(s)?

a. System.in

b. System.out

c. System.err

d. System.console

Answer : d. System.console

Q3. What will be the output of the Java code?

b. NPTEL/JULY/2022

c. /NPTEL/JULY/2022

Answer: d. 2022

Q4. What will be the output if the below program is executed?

a. It will give compile-time error

b. It will give run-time error

Answer: d. 106

Q5. Which method is used to write a byte to the current output stream?

a. public void write(int b) throws IOException

b. public void write(byte[] b) throws IOException

c. public void flush()throws IOException

d. public void close() throws IOException

Answer: a. public void write(int b) throws IOException

Q6. Which method of RandomAccessFile class reads a line from the file and returns it as aString?

a. WriteInt().

b. readLine()

c. readInt()

d. WriteDouble()

Answer: b. readLine()

Q7. Which of these class is not a member class of java.io package?

b. PrintStream

c. StringReader

Answer: d. Stream

Q8. Which of the following is/are interface(s) of java.io package?

a. FileReader

b. FileWriter

c. DataOutput

d. DataInput

Answer: c. DataOutput

Q9. In which Java APIs the classes for handling all IO-streams are defined?

a. java.lang

b. java.util

d. java.awt

Answer: c. java.io

Q10. Consider the following program.

The file nptel.txt when browse with the Notepad text editor. it shows the content, which is shown below.

__________________________nptel.txt__________________________

____________________________________________________________

If the program is executed, then what will be the output from the execution?

a. length: 6

b. length: 5

c. length: 0

d. length: 1

Answer: b. length: 5

Disclaimer: These answers are provided only for the purpose to help students to take references. This website does not claim any surety of 100% correct answers. So, this website urges you to complete your assignment yourself.

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Q1. Which stream does Java application uses to read data from a source, it may be a file, an array, peripheral device or socket? a. InputStream b. OutputStream c. Input/OutputStream d. None of the above

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