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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.

NPTEL banner to Programming in Java Assignment

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()

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


b. System.out

c. System.err

d. System.console

Answer: d. System.console

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

public class question 
  public static void main(String args[]) 
  File obj = new File(" NPTEL/JULY/2022");
   System.out.print (obj.getName()); 


b. NPTEL/JULY/2022

c. /NPTEL/JULY/2022

d. 2022

Answer: d. 2022

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

public class Question {
public static void main(String[] args)
try {
PrintWriter writer = new PrintWriter(System.out);
writer.write("10"+ 6);
catch (Exception e) {

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 aString?

a. WriteInt().

b. readLine()

c. readInt()

d. WriteDouble()

Answer: b. readLine()

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

a. File

b. PrintStream

c. StringReader

d. Stream

Answer: d. Stream

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

a. FileReader

b. FileWriter

c. DataOutput

d. DataInput

Answer: c. DataOutput

d. DataInput

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.

Q10. Consider the following program.

public class FileInfo {
public static void main(String args[]) {
File f = new File ("nptel.txt");
System.out.println("length: "+f.length());

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




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

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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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