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Java Programming

Java Programming Quiz

Test your knowledge of Java programming concepts with this engaging quiz! Designed for both beginners and experienced programmers, this quiz covers a range of topics, including operators, loops, data types, and more.

Challenge yourself with questions like:

What does JDK stand for?
How do you declare a constant in Java?
What is the purpose of a constructor?

15 Questions4 MinutesCreated by CodingWizard321

What is the difference between == and === operators in Java?

The == operator checks if two values are equal while the === operator checks if two values are identical

The == operator checks if two values are identical while the === operator checks if two values are equal

The == operator checks if two values are greater than each other while the === operator checks if two values are equal

The == operator checks if two values are lesser than each other while the === operator checks if two values are equal

What is the purpose of the finally block in Java?

To ensure that certain lines of code get executed regardless of whether an exception occurs or not

To catch exceptions

To throw exceptions

To provide error handling

What is the keyword used to define a class in Java?

Class

Variable

Object

Method

Which of these is not a valid data type in Java?

Character

Float

Integer

Double

What does JDK stand for?

Java Development Kit

Java Design Kit

Java Drive Kit

Java Data Kit

What is the default value of an int variable?

Null

-1

How do you declare a constant in Java?

Using the final keyword

Using the static keyword

Using the public keyword

Using the private keyword

What is the correct way to end a line of code in Java?

;

What is the purpose of a constructor in Java?

To initialize an object's state

To create an object

To destroy an object

To update an object's state

What is the name of the method that gets called when an object is created?

Constructor

Initializer

Creator

Builder

What is the purpose of a break statement in Java?

To terminate a loop or switch statement

To continue a loop or switch statement

To skip a loop iteration

To execute multiple statements in one go

What is the difference between a while loop and a do-while loop in Java?

A while loop executes its body only when the condition is true while a do-while loop executes its body at least once even if the condition is false

A while loop executes its body at least once even if the condition is false while a do-while loop executes its body only when the condition is true

A while loop can have multiple conditions while a do-while loop cannot

A while loop can be nested inside a do-while loop but a do-while loop cannot be nested inside a while loop

What is the default return type of a method in Java?

Void

Int

String

Boolean

What is the purpose of the finally block in Java?

To ensure that certain lines of code get executed regardless of whether an exception occurs or not

To catch exceptions

To throw exceptions

To provide error handling

What is the purpose of the volatile keyword in Java?

To indicate that a field should not be cached by the compiler

To indicate that a field should be cached by the compiler

To indicate that a field should be static

To indicate that a field should be transient

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