Java Programming Concepts and Logic Quiz

Test your Java knowledge with questions on primitives, keywords, outputs, exceptions & more. Ready to challenge yourself?

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Which of the following is a primitive data type in Java?

String

Array

Integer

Object

1 answered

What is the result of 9 % 4 in Java?

1 answered

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

true

false

1 answered

What does the 'static' keyword mean in Java?

It indicates a variable that can be changed

It indicates a method or variable that belongs to the class itself, rather than instances of the class

It indicates a method that cannot be accessed

It indicates a method that is executed only once

1 answered

What is the output of the following code?

public class Main {
public static void main(String[] args) {
int x = 5;
System.out.println(x++);
}
}

Compilation Error

Runtime Error

1 answered

What is the purpose of the 'break' statement in Java?

To terminate a loop or switch statement

To skip the current iteration of a loop

To continue to the next iteration of a loop

To define the end of a method

1 answered

What is a Java interface?

A class that cannot be instantiated

A blueprint of a class

A collection of abstract methods

A subclass of a superclass

1 answered

What is the purpose of the 'finally' block in Java exception handling?

To catch exceptions

To handle exceptions

To execute code after try-catch blocks, regardless of whether an exception occurs or not

To specify custom exceptions

1 answered

What is the difference between '==', 'equals()', and 'compareTo()' methods in Java?

'==' compares object references, 'equals()' compares object contents, 'compareTo()' compares values of comparable objects

'==' compares object references, 'equals()' compares values of comparable objects, 'compareTo()' compares object contents

'==' compares values of comparable objects, 'equals()' compares object references, 'compareTo()' compares object contents

'==' compares values of comparable objects, 'equals()' compares object contents, 'compareTo()' compares object references

1 answered

Java Programming Concepts and Logic Quiz

Which of the following is a primitive data type in Java?

What is the result of 9 % 4 in Java?

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

What does the 'static' keyword mean in Java?

What is the output of the following code?

public class Main {
public static void main(String[] args) {
int x = 5;
System.out.println(x++);
}
}

What is the purpose of the 'break' statement in Java?

What is a Java interface?

What is the purpose of the 'finally' block in Java exception handling?

What is the difference between '==', 'equals()', and 'compareTo()' methods in Java?

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Java Programming Concepts and Logic Quiz

Which of the following is a primitive data type in Java?

What is the result of 9 % 4 in Java?

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

What does the 'static' keyword mean in Java?

What is the output of the following code?public class Main { public static void main(String[] args) { int x = 5; System.out.println(x++); }}

What is the purpose of the 'break' statement in Java?

What is a Java interface?

What is the purpose of the 'finally' block in Java exception handling?

What is the difference between '==', 'equals()', and 'compareTo()' methods in Java?

Quiz Questions with Answers

Test Your Knowledge

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Other Quizzes to Explore

What is the output of the following code?

public class Main {
public static void main(String[] args) {
int x = 5;
System.out.println(x++);
}
}