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144 interview questions on Javafor developers (2024)

Test your technical skills before an interview of Java with 144 corrected questions. Beginner, Intermediate or Expert level.

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144 questions
Easy
14 votes1653 runs3 comments
Hard
8 votes2568 runs0 comment

A Customer class has the com.company.model package.

Back-end developer
inheritance
package
Thomas De verdièreat Jan 4, 2022
Easy
8 votes1616 runs0 comment
Hard
7 votes2465 runs0 comment

A monitor in Java

Thomas De verdièreat Jan 4, 2022
Hard
6 votes2509 runs1 comment

How to write a portable Java program

Thomas De verdièreat Jan 4, 2022
Hard
6 votes2486 runs0 comment

Write a finalizer in Java.

Back-end developer
java
finalizer
Thomas De verdièreat Dec 16, 2021
Medium
5 votes2515 runs0 comment
Easy
5 votes2481 runs0 comment

What are the visibility modifiers for a method in Java?

Back-end developer
access modifiers
methods
Thomas De verdièreat Jan 4, 2022
Easy
5 votes1585 runs1 comment
Hard
4 votes2523 runs0 comment

A “synchronized” method

Thomas De verdièreat Jan 4, 2022
Hard
4 votes2508 runs1 comment
Hard
4 votes2472 runs1 comment
Hard
4 votes2437 runs0 comment
Hard
4 votes2409 runs0 comment
Hard
3 votes2492 runs0 comment
Hard
3 votes2485 runs0 comment