Java Quizzes, Questions & Answers

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Top Trending Java Quizzes

This is the ultimate Java test for all those Java developer-wannabes who have just began practicing the programming language. It consists of over 93 questions of basically Core Java. So, if you are one of them and want to have a...

Questions: 93 | Attempts: 33208 | Last updated: Mar 21, 2025

Sample Question
Object-Oriented Programming means ...

Being objective about what you develop

Designing the application based on the objects discovered when analysing the problem

Writing an algorithm before writing your program and having a test plan

Writing a program composed of Java classes

Java Quiz For Job Interview Questions

This Java Quiz for Job Interview assesses key programming concepts relevant for job seekers. It covers string manipulation, inheritance, data types, and scope, testing understanding of Java fundamentals crucial for technical...

Questions: 25 | Attempts: 5457 | Last updated: Sep 22, 2025

Sample Question
Public class Swap { public static void swapStrings(String x, String y){ String temp = x; x=y; y=temp; } public static void main(String[] args) { String a = "1"; String b = "2"; swapStrings(a, b); System.out.println("a="+a+" ,b="+b); }} What will be the output when executing this main?

An exception will be thrown

“a=2 ,b=1”

“a=1 ,b=2” because strings are immutable

“a=1 ,b=2” because Java passes parameters by value

Java Review - Arrays, Methods, Classes and Inheritance

This Java Review quiz focuses on arrays, methods, classes, and inheritance. It tests understanding of method access modifiers, method overloading, and the use of keywords like 'return' and 'void'. Ideal for learners looking to...

Questions: 46 | Attempts: 279 | Last updated: Mar 20, 2025

Sample Question
Methods can return more than one primitive data type or object.

True

False

Advanced Java Quiz

Have you practiced Java enough that you are ready to learn advanced Java? Take this advanced Java quiz, and see how much you have learned. This will examine your understanding of JSP, Servlet, and Design patterns. You will get an...

Questions: 22 | Attempts: 12401 | Last updated: Sep 1, 2025

Sample Question
Which method in the HttpServlet class services the HTTP POST request? (Select one)

DoPost(ServletRequest, ServletResponse)

DoPOST(ServletRequest, ServletResponse)

ServicePost(HttpServletRequest, HttpServletResponse)

DoPost(HttpServletRequest, HttpServletResponse)

Online Test On OOP Using Java

No Negative marking Attempt questions as many you can

Questions: 71 | Attempts: 637 | Last updated: Mar 22, 2025

Sample Question
Following code will result in: int a = 3.5;

Compilation error

Runtime error

Popular Java Quizzes

Ultimate Quiz On Java Skills! Trivia

Questions: 10 | Attempts: 14559 | Last updated: Mar 21, 2025

Sample Question
How will you describe Java?

Programming Language

Platform

Both Programming Language and Platform

Abstract Machine

Quiz No. 1 In Java Programming

Questions: 20 | Attempts: 8461 | Last updated: Mar 22, 2025

Sample Question
Using the declaration below, what will be the final element of the array? int [ ] grades = new int[35];

Grades[0]

Grades[34]

Grades[35]

Impossible to tell

Ajp MCQ Test For Diploma Students

Questions: 29 | Attempts: 7698 | Last updated: Jul 22, 2025

Sample Question
Give the abbreviation of AWT?

Applet Windowing Toolkit

Abstract Windowing Toolkit

Absolute Windowing Toolkit

None of the above

Java Skill Assessment Test

Questions: 23 | Attempts: 7604 | Last updated: Mar 22, 2025

Sample Question
What is the size of a Char?

4 bits

7 bits

8 bits

16 bits

Recent Java Quizzes