Java Quiz

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Java Program to Convert Byte Array to String

Last Updated: 03 May 2022

A byte is 8 bits of binary data so do byte array is an array of bytes used to store the collection of binary data. There are multiple ways t ...read more

Java

Java Quiz

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Picked

Java-Array-Programs

Thread UncaughtExceptionHandler in Java with Examples

Last Updated: 10 June 2020

An exception is an unwanted or unexpected event, which occurs during the execution of a program i.e at run time, that disrupts the normal fl ...read more

Java

Java-Multithreading

Java-Exception Handling

Java Quiz

Java Programs

Oracle Certified Java Associate (OCA) Exam Preparation

Last Updated: 30 March 2023

Friends! I recently appeared for OCA exam and scored 95%. Here i am sharing few techniques and exam question patterns which must be helping ...read more

Java

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Java | Abstract Class and Interface | Question 3

Last Updated: 28 June 2021

Predict the output of the following program.[sourcecode language="Java"]abstract class demo{ public int a; demo() { a = 10; ...read more

Java Quiz

Java-Abstract Class and Interface

Abstract Class and Interface

Java | Operators | Question 1

Last Updated: 28 June 2021

Predict the output of following Java Program[sourcecode language="C"]class Test { public static void main(String args[]) { int x = ...read more

Java Quiz

Operators

Java-Operators

Java | Exception Handling | Question 4

Last Updated: 28 June 2021

[sourcecode language="Java"]class Base extends Exception {}class Derived extends Base {}public class Main { public static void main(String ...read more

Exception Handling

Java-Exception Handling

Java Quiz

Java | Exception Handling | Question 2

Last Updated: 28 June 2021

[sourcecode language="Java"]class Test extends Exception { } class Main { public static void main(String args[]) { try { thr ...read more

Exception Handling

Java-Exception Handling

Java Quiz

Java | Packages | Question 1

Last Updated: 28 June 2021

Which of the following is/are true about packages in Java?1) Every class is part of some package. 2) All classes in a file are part of the s ...read more

Java Quiz

Java-Packages

Java-Java Packages

Java | Constructors | Question 3

Last Updated: 28 June 2021

Which of the following is/are true about constructors in Java? 1) Constructor name should be same as class name.2) If you don't define a con ...read more

Constructors

Java-Constructors

Java Quiz

Java | Functions | Question 1

Last Updated: 03 December 2021

Output of following Java program?[sourcecode language="C"]class Main { public static void main(String args[]) { System.out ...read more

Java Quiz

Functions

Java-Functions

Java | Class and Object | Question 1

Last Updated: 28 June 2021

Predict the output of following Java program?[sourcecode language="Java"]class Test { int i;} class Main { public static void main(String ...read more

Class and Object

Java-Class and Object

Java Quiz

Java | Inheritance | Question 7

Last Updated: 28 June 2021

Which of the following is true about inheritance in Java.1) In Java all classes inherit from the Object class directly or indirectly. The O ...read more

java-inheritance

Java Quiz

Inheritance

Java | Abstract Class and Interface | Question 2

Last Updated: 22 April 2022

Which of the following is true about interfaces in java.1) An interface can contain following type of members.....public, static, final fiel ...read more

Java Quiz

Java-Abstract Class and Interface

Abstract Class and Interface

Java | Arrays | Question 1

Last Updated: 28 June 2021

Which of the following is FALSE about arrays in Java?(A)A java array is always an object(B)Length of array can be changed after creation of ...read more

Java Quiz

Arrays

Java-Arrays

Java | Inheritance | Question 2

Last Updated: 28 June 2021

[sourcecode language="Java"]class Base { final public void show() { System.out.println(Base::show() called); }} class Derived ex ...read more

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