Java Quizzes, Questions & Answers

Recent Quizzes

Sematec Java Programming Quiz

SEMATEC Java Programming Quiz

The 25 questions most important parts of the course tested Dhdagr 70 earn a lower score, you need to study this lesson

Questions: 25 | Attempts: 426 | Last updated: Mar 21, 2023

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 Toughest Exam Quiz! Trivia

Questions: 40 | Attempts: 512 | Last updated: Mar 21, 2023

Sample Question
Consider the following code: Line no 1:class Outer{ Line no 2:public static class Inner{ Line no 3:} Line no 4:public static void display(){ } } Line no 5:public class Test Line no 6:{ Line no 7:public static void main(String args[]) Line no 8:{ Line no 9://Replace with code from the option below Line no 10:}} Which of the following option when replaced at line no 9,instantiates an instance of the nested class?

Outer o = new Outer(); Outer.Inner oi = o.new Outer.Inner();

Outer.Inner o = new Outer.Inner();

Outer.Inner oi = new Inner();

Inner oi = new Outer.Inner();

Quiz On JAVASCRIPT Skills! Trivia

Quiz on JavaScript Skills! Trivia

Questions: 11 | Attempts: 254 | Last updated: Mar 15, 2023

Sample Question
Java Script File Has An Extension Of

.Java

.Js

.javascript

.xml

Aptitude Test (C & Java)

Questions: 79 | Attempts: 78 | Last updated: Jun 19, 2023

Sample Question
Which are true1. members in interface are protected implicitly if interface is protected2. members in interface are public implicitly if interface is public3. interface can inherit another interface4. class can inherit any number of interfaces5. if an abstract class implements an interface, we have to override abstract method of the interface

1 2 3 4 5

1 2 3 5 only

1 3 4 5 only

2 3 4 5 only

2 3 4 only

Java 2

Basic Elements of Java

Questions: 42 | Attempts: 1073 | Last updated: Mar 22, 2023

Sample Question
Suppose x = 2 and y = 3. If the statement x *= y; is executed once, what is the value of x?

2

3

5

6

Java Quiz: Toughest Questions! Trivia MCQ

Questions: 93 | Attempts: 193 | Last updated: Mar 18, 2023

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

Can You Pass This Tough Java Test?

Can you pass this tough JAVA TEST?

JAVA FINAL EXAM

Questions: 39 | Attempts: 2015 | Last updated: Feb 9, 2024

Sample Question
What is the size of a Char?

4 bits

7 bits

8 bits

16 bits

Questions On Java Basics

Questions on Java Basics

Java is one of the most used programs by nerds and techs in the world today. If you are one of them, you know practice is key. This quiz helps you practice on it. All the best.

Questions: 10 | Attempts: 171 | Last updated: Mar 21, 2023

Sample Question
Programs designed for maintainability are constructed from small simple pieces or modules. Modules in Java are called:

A.methods.

B.classes.

C.arguments.

D.both methods and classes.

Java Evaluation Quiz Practice Set - 1

Java evaluation Quiz practice set - 1

This quiz is conducted as part of the activity based class and its score will be considered for the continuous evaluation of the course "Programming with Java"

Questions: 10 | Attempts: 317 | Last updated: Mar 21, 2023

Sample Question
Which will legally declare, construct, and initialize an array?

Int [] myList = {"1", "2", "3"};

Int [] myList = (5, 8, 2);

Int myList [] [] = {4,9,7,0};

Int myList [] = {4, 3, 7};

Hardest Java Test: Trivia Quiz!

Questions: 18 | Attempts: 304 | Last updated: Mar 20, 2023

Sample Question
Consider the following program: class Point2D { private int x, y; public Point2D(int x, int y) { this.x = x; } public String toString() { return "[" + x + ", " + y + "]"; } public static void main(String []args) { Point2D point = new Point2D(10, 20); System.out.println(point.toString()); } } Which one of the following options provides the output of this program when executed?

Point

Point

[0,0]

[10,0]

[10,20]

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