Java Quizzes, Questions & Answers

Recent Quizzes

This Java Quiz tests general knowledge in Java programming, covering topics like data types, access modifiers, OOP concepts, and applets. It assesses key skills for understanding Java's fundamental principles and its application...

Questions: 10 | Attempts: 1007 | Last updated: Mar 22, 2023

Sample Question
What of the following is the default value of an instance variable?

Null

0

Depends upon the type of variable

Not assigned

Ultimate Exam On Java: Quiz!

Ultimate Exam on Java: Quiz!

Dive into the 'Ultimate Exam on Java' to test your knowledge on its history, development, and key features. This quiz covers Java's initial name, its developers, latest versions, and advanced concepts like JIT Compiler and Lambda...

Questions: 49 | Attempts: 141 | Last updated: Mar 20, 2023

Sample Question
What was the initial name of Java?

Panther

Oak

Coffee

Oliver

Oopj Quiz 5 IT - A

OOPJ Quiz 5 IT - A

OOPJ Quiz 5 IT - A assesses knowledge on Java multithreading, covering thread behaviors, priorities, and methods. It evaluates understanding of thread management and synchronization, crucial for developing robust Java...

Questions: 10 | Attempts: 114 | Last updated: Feb 13, 2024

Sample Question
In Java, each thread has its own ________, in which it runs?

Main() method

JVM

Call stack

Memory

Ajp MCQ Test For Diploma Students

AJP MCQ Test For Diploma Students

This AJP MCQ Test for Diploma Students assesses knowledge in Java GUI development, focusing on AWT, Swing, Frames, Panels, and Event Handling. It evaluates understanding of core concepts and application in real-world scenarios,...

Questions: 29 | Attempts: 7680 | Last updated: Jul 26, 2024

Sample Question
Give the abbreviation of AWT?

Applet Windowing Toolkit

Abstract Windowing Toolkit

Absolute Windowing Toolkit

None of the above

Can You Answer These Java Programming Questions? Trivia Quiz

Can you answer these Java Programming Questions? Trivia Quiz

Can you answer these java programming questions? There are a lot of people who think that they can never fail any question they are asked when it comes to java programming, and to help you see if you are right in assuming you are...

Questions: 10 | Attempts: 541 | Last updated: Mar 22, 2023

Sample Question
Given the code fragment: int nums1[] = new int[3]; int nums2[] = {1,2,3,4,5}; nums1 = nums2; for (int x : nums1) { System.out.print(x + ": "); } What is the result?

An ArrayIndexOutOfBoundsException is thrown in runtime.

Compilation fails.

1: 2: 3: 4: 5:

1: 2: 3:

Java Toughest Exam: Trivia Quiz!

Dive into the 'Java Toughest Exam: Trivia Quiz!' to challenge your understanding of Java programming. This quiz tests key concepts such as method overriding, exception handling, and object-oriented programming principles,...

Questions: 20 | Attempts: 155 | Last updated: Mar 20, 2023

Sample Question
Which two statements are true about the hashCode method?

The hashCode method for a given class can be used to test for object equality and object inequality for that class.

The hashCode method for a given class can be used to test for object inequality, but NOT object equality, for that class.

The hashCode method is used by the java.util.SortedSet collection class to order the elements within that set.

The hashCode method is used by the java.util.HashSet collection class to group the elements within that set into hash buckets for swift retrieval.

Hardest Java Exam Trivia Quiz!

Are you a real programmer? Get ready to take the hardest Java exam trivia quiz that we have brought here for you. The quiz is on Java, and it is going to be very tough. If you know Java very well, only then will you be able to...

Questions: 20 | Attempts: 5821 | Last updated: Jul 3, 2023

Sample Question
Consider the following code and choose the correct option: class X { int x; X(int x){ x=2; } } class Y extends X{ Y(){} void displayX(){ System.out.print(x); } public static void main(String args[]){ new Y().displayX(); } }

Compiles and display 2

Compiles and runs without any output

Compiles and display 0

Compilation error

Java Certification Test! Programming Trivia Questions Quiz

Are you reading to get your java certification test? There are different things that you need to understand to ensure you do not fail the test properly, and the programming trivia questions quiz below will help you get a clue of...

Questions: 95 | Attempts: 870 | Last updated: Mar 22, 2023

Sample Question
Given the code fragment: nums1[] =1. Given the code fragment: int nums1[] = new int[3]; int nums2[] = {1,2,3,4,5}; nums1 = nums2; for (int x : nums1) { System.out.print(x + ": "); } What is the result? new int[3]; int nums2[] = {1,2,3,4,5}; nums1 = nums2; for (int x : nums1) { System.out.print(x + ": "); } What is the result?

An ArrayIndexOutOfBoundsException is thrown in runtime.

Compilation fails.

1: 2: 3: 4: 5:

1: 2: 3:

Java Programming Test! Hardest Trivia Questions Quiz

Below is what is seen by many as the hardest trivia questions java programming test. It is not designed for beginners when it comes to this course but for the professionals who think they understand this programming language and...

Questions: 5 | Attempts: 162 | Last updated: Mar 20, 2023

Sample Question
Given: public class Test{ public static void main(String[] args) { Test obj = new Test(); short letter = 97; int letter2 = 98; int long = 99; System.out.print((char) letter + " "); System.out.print((char) letter2); } } What is the result?

A b

A followed by an exception

Compilation fails.

A ClassCastException is thrown at runtime.

Java Descriptive Test Quiz

Java Descriptive Test quiz

The Java Descriptive Test is specially designed to effectively check the descriptive knowledge related to Java language, why don't you take this quiz to ascertain how well you know the Java language.

Questions: 11 | Attempts: 108 | Last updated: Mar 19, 2023

Sample Question
One of the following is regarded as one of the most powerful basic data structures?

Array

Tree

Stack

Queue

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