Java Interview Question

A modern, colorful illustration representing Java programming concepts, with elements such as code snippets, a laptop, and abstract geometric shapes.

Java Programming Quiz

Test your knowledge of Java programming with our comprehensive quiz! Perfect for beginners and experienced developers alike, this quiz covers essential concepts that every Java programmer should know.

Join us and discover:

Platform independence in Java
Java data types and their sizes
Object-oriented programming concepts
Syntax and scope of variables

13 Questions3 MinutesCreated by CodingWizard542

Which statement is true about Java?

Java is a sequence-dependent programming language

Java is a code dependent programming language

Java is a platform-dependent programming language

Java is a platform-independent programming language

What is the extension of java code files?

.txt

.class

.js

.java

Which of the following is not an OOPS concept in Java?

Inheritance

Polymorphism

Encapsulation

Compilation

In java byte, short, int and long all of these are?

Unsigned

Signed

Both of them

None of them

Size of int in java?

16 bit

32 bit

64 bit

Depends on the environment

What is the extension of compiled java classes?

.txt

.js

.class

.java

The smallest integers data type is ____ and it’s size is ___ bit?

Short, 8

Short, 32

Short, 16

Byte, 8

Which one of the following is valid statement?

Char[] c = new char();

Char[] c = new char[];

Char[] c = new char(4);

Char[] c = new char[5];

int x=0, y=0, z=0;

x = (++x + y++) * z++;

What will be the output for “x”?

-2

-1

What will be the correct output for the following code?

class increment {

public static void main(String args[])

{

int g = 3;

System.out.print(++g * 8);

}

What will be the output of the following Java program?

class variable_scope

{

public static void main(String args[])

{

int x;

x = 5;

{

int y = 6;

System.out.print(x + " " + y);

}

System.out.println(x + " " + y);

}

5 6 5 6

5 6 5

Runtime error

Compilation error

Java Interview Question

Java Programming Quiz

More Quizzes