Programming in Java Nptel Week 1 Assignment Answers

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Programming in Java Nptel Week 1 Assignment Answers (July-Dec 2025)

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Que.1 Which of the following is true?
A) Java uses only interpreter.
B) Java uses only compiler.
C) Java uses both interpreter and compiler.
D) None of the above.

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Que.2 A Java file with extension ‘.class’ contains
A) Java source code
B) HTML tags
C) Java Byte code
D) A program file written in Java programming language

View Answer

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Que.3 Which of the following is not an object-oriented programming paradigm?
A) Encapsulation
B) Inheritance
C) Polymorphism
D) Dynamic memory allocation

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Que.4 What will be the output of the following Java code?

class increment {
    public static void main(string args{]) {
    }
}

A) 32
B) 33
C) 24
D) 25

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Que.5 What is the correct sequence of steps to execute a Java program?

1. Compile the Program: Use the javac command to compile the code into bytecode.
2. Edit the Program: Write the code in a text editor or IDE.
3. Run the Program: Use the java command to execute the bytecode.

A) Run > Edit > Compile
B) Edit > Run > Compile
C) Compile > Edit > Run
D) Edit > Compile > Run

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Que.6 Consider the following code.

class NPTEL {
    public static void main(string[] args) {
        ystem.out.println("Hello, World!");
    }
}

What is the output of the above code?
A) Hello, World!
B) HelloWorld!
C) Compilation Error
D) Runtime Error

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Que.7 What is the primary focus of Java programming?
A) Low-level optimizations
B) Hardware-specific operations
C) Platform independence
D) Assembly language programming

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Que.8 Which of the following programming principles is a key aspect of Java?
A) Code obfuscation
B) Platform dependence
C) Object-oriented programming
D) Global variables

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Que.9 What is the primary purpose of the Java Virtual Machine (JVM) in the Java programming language?
A) Code optimization
B) Platform independence
C) Memory management
D) Hardware-specific operations

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Que.10 Consider the following program.

public static void main(string[] args) {
    int x = 5;
    x *= (2 + 8);
}

What is the output of the above code?
A) 50
B) 10
C) Compiler error
D) 5

View Answer

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Programming in Java Nptel Week 1 Assignment Answers (Jan-Apr 2025)

Course Link: Click Here

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Que. 1) Which of the following is true?:
a) Java uses only interpreter.
b) Java uses only compiler.
c) Java uses both interpreter and compiler.
d) None of the above.

View Answer

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Que. 2) A Java file with extension ‘class’ contains:
a) Java source code
b) HTML tags
c) Java Byte code
d) A program file written in Java programming language

View Answer

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Que. 3) Which of the following is not an object-oriented programming paradigm?:
a) Encapsulation
b) Inheritance
c) Polymorphism
d) Dynamic memory allocation

View Answer

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Que. 4) Java is a platform-independent programming language because:
a) It compiles an intermediate code targeting a virtual machine, which can be interpreted by an interpreter for a given OS.
b) The Java compiler translates the source code directly into the machine-level language.
c) It follows the concept of “write once and compile everywhere”.
d) It is written almost similar to the English language.

View Answer

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Que. 5) Which of the following is not a Language Processor?:
a) Assembler
b) Compiler
c) Interpreter
d) Fortran

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Que. 6) A platform is the hardware or software environment in which a program runs. Which of the following is/are Java platform component(s)?:
a) HTML
b) Java Virtual Machine
c) JavaScript
d) Hotlava

View Answer

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Que. 7) What is the correct sequence of steps to execute a Java program?:
a) Run → Edit → Compile
b) Edit → Run → Compile
c) Compile → Edit → Run
d) Edit → Compile → Run

View Answer

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These are Programming in Java Nptel Week 1 Assignment Answers

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Que. 8) What is the primary difference between javac and java commands?:
a) javac is used to edit Java code, while java runs Java programs.
b) javac compiles Java source code to bytecode, while java executes the bytecode on the JVM.
c) javac executes Java programs, while java is used for compilation.
d) Both are used for compiling Java programs.

View Answer

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Que. 9) Which of the following is not a feature of Java?:
a) Platform Independence
b) Object-Oriented Programming
c) Supports Explicit Pointers
d) Supports Polymorphism

View Answer

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Que. 10) What is the output of the following code?

class NPTEL {
    public static void main(String[] args) {
        System.out.println("Hello, World!");
    }
}

a) Hello, World!
b) HelloWorld!
c) Compilation Error
d) Runtime Error

View Answer

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Programming in Java Nptel Week 1 Assignment Answers (JULY-AUG 2024)

Course Link: Click Here

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Q1.Which of the following is not a valid comment in Java?
a. /** comment */
b. /* comment */
c. / *comment /
d. // comment

Answer: c. / *comment /

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Q2.What is the output of the following code?
a. NPTEL2024
44java
b. NPTEL44
44java
c. NPTEL2024
2024java
d. NPTEL44
2024java

Answer: a. NPTEL202444java

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These are Programming in Java Nptel Week 1 Assignment Answers

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Q3.Which of the following is used to find and fix bugs in the Java programs?
a. JVM
b. JRE
c. JDK
d. JDB

Answer: d. JDB

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Q4.What is the value returned by the method f() defined below?
public static int f(int x, int y){return (x>y) ? y : x;}
a. The sum of x and y, that is, x + y.
b. The difference of x and y, that is, x – y.
c. The maximum of x and y, that is, the larger value of x and y.
d. The minimum of x and y, that is, the smaller value of x and y.

Answer: d. The minimum of x and y, that is, the smaller value of x and y.

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These are Programming in Java Nptel Week 1 Assignment Answers

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Q5.Consider the following program. What will be the output of the program if it is executed?
a. Print first six even numbers.
b. Print first six odd numbers.
c. Print first six prime numbers.
d. Print first six Fibonacci numbers.

Answer: d. Print first six Fibonacci numbers.

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Q6. Which program is used to compile Java source code into bytecode?
a. javap
b. javac
c. java
d. javad

Answer: b. javac

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These are Programming in Java Nptel Week 1 Assignment Answers

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Q7. Consider the following program.
a. 50
b. 10
c. Compiler error
d. 5

Answer:a. 50

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Q8. What is the incorrect statement about bytecode?
a. Java when compiles the source code, it converts it to bytecode.
b. JVM (Java Virtual Machine) is an interpreter of bytecode.
c. Bytecode is not portable and it needs to be compiled separately for each platform.
d. JVM offers a protected environment which helps in enhanced safety for the system.

Answer:c. Bytecode is not portable and it needs to be compiled separately for each platform.

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Q9. In Java, what is the role of the public static void main(String[] args) method?
a. Initialization method
b. Execution entry point
c. Constructor
d. Destructor

Answer: b. Execution entry point

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Q10. What is the purpose of the break statement in Java?
a. To terminate the program
b. To exit a loop or switch statement
c. To skip the next iteration of a loop
d. To return a value from a method

Answer: b. To exit a loop or switch statement

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These are Programming in Java Nptel Week 1 Assignment Answers

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