Question 1

What is a Java Virtual Machine (JVM)?

Accepted Answer

A virtual machine that enables a computer to run Java programs.

Answer

A software used for creating database queries.

Answer

A programming language used for web development.

Answer

A hardware component of a computer system.

Question 2

What does JVM stand for in Java?

Accepted Answer

Java Virtual Machine

Answer

Java Variable Module

Answer

Java Validation Machine

Answer

Java Verification Method

Question 3

Which keyword is used to create a new object in Java?

Accepted Answer

new

Answer

create

Answer

build

Answer

instance

Question 4

What is the purpose of the 'final' keyword in Java?

Accepted Answer

To declare a constant

Answer

To define a loop

Answer

To specify a return type

Answer

To indicate an error

Question 5

What is the default value for an uninitialized numeric variable in Java?

Accepted Answer

0

Answer

null

Answer

1

Answer

NaN

Question 6

What is the result of the following expression?5 + 3 * 2

Accepted Answer

11

Answer

10

Answer

13

Answer

16

Question 7

Which Java keyword is used to implement inheritance?

Accepted Answer

extends

Answer

implements

Answer

extendsFrom

Answer

inherits

Question 8

What is the default value of a boolean variable in Java?

Accepted Answer

false

Answer

null

Answer

0

Answer

true

Question 9

Which data type in Java is used to store whole numbers?

Accepted Answer

int

Answer

boolean

Answer

double

Answer

string

Question 10

What is the correct syntax for the main method in Java?

Accepted Answer

public static void main(String[] args)

Answer

public void main(String[] args)

Answer

public static int main(String[] args)

Answer

public static void Main(String[] args)

Question 11

What is the term used for grouping related variables and methods together in Java?

Accepted Answer

Class

Answer

Function

Answer

Object

Answer

Module

Question 12

Which of the following is responsible for compiling Java source code to bytecode?

Accepted Answer

Javac

Answer

Java Interpreter

Answer

Java Virtual Machine

Answer

Javap

Question 13

What is the primary function of the Java Virtual Machine (JVM)?

Accepted Answer

Interpreting bytecode

Answer

Translating bytecode to machine code

Answer

Compiling Java source code

Answer

Executing compiled code directly

Question 14

What is the purpose of the Java Development Kit (JDK)?

Accepted Answer

Compiling and running Java programs

Answer

Managing Java Virtual Machine (JVM)

Answer

Interpreting Java bytecode

Answer

Debugging Java applications

Question 15

Which of the following is responsible for interpreting Java bytecode?

Accepted Answer

Java Virtual Machine (JVM)

Answer

Java Development Kit (JDK)

Answer

Java Compiler (javac)

Answer

Java Runtime Environment (JRE)

Question 16

Which component of the Java platform is responsible for compiling Java source code into bytecode?

Accepted Answer

Java Compiler (javac)

Answer

Java Development Kit (JDK)

Answer

Java Interpreter

Answer

Java Virtual Machine (JVM)

Question 17

Java applications ...........

Accepted Answer

Are platform independent

Answer

Can't run on Windows

Answer

Don't need a platform to run

Answer

Are platform dependent

Question 18

JVM stands for ...........

Accepted Answer

Java Virtual Machine

Answer

Java Visual Monitor

Answer

Java Virtual Monitor

Answer

Java Video Monitor

Question 19

JRE stands for...........

Accepted Answer

Java Runtime Environment

Answer

Java Runtime Enabler

Answer

Java Runtime Editor

Answer

Java Runtime Expression

Question 20

Stand-alone Javaapplications ........... for execution.

Accepted Answer

Don't need Java-compatible web browser

Answer

Need Java-compatible web browser

Answer

Need an assembler

Answer

Need a linker

Question 21

Java uses ...........for execution.

Accepted Answer

Compiler and interpreter

Answer

Compiler only

Answer

Interpreter only

Answer

None of these

Question 22

A program that translatess code written in a high-level language into machine code is called...........

Accepted Answer

Compiler

Answer

None of these

Answer

Assembler

Answer

Linker

Question 23

A program that translates an assembly language program into machine code is called a/an...........

Accepted Answer

Assembler

Answer

None of these

Answer

Linker

Answer

Compiler

Question 24

Java is ...........

Accepted Answer

All of these

Answer

Robust

Answer

Object-oriented

Answer

Secure

Question 25

Java applications can run on ...........

Accepted Answer

All of these

Answer

UNIX platform

Answer

Windows platform

Answer

Macintosh platform

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