How to Rotate an Array to Left direction based on user input ?
Here we will see how to rotate an array to left direction based on the user input shifts. Sample Input:
How to Find Duplicate Words Count in a File
In this tutorial, I am going to show you the most important question in Java Interview. How to find duplicate
Swap Two Arrays in Java: 3 Ways With Examples
Updated October 2026. Every example was run on Java 21. To swap two arrays in Java, you can swap the
Java program to find sum of digits
In this Java programming tutorials, I am going to show you how to calculate sum of digits till we get
Java Program For Binary Addition
Here we are going to write a Java program for Binary Addition. As part of the implementation of Binary Addition,
Java Program to Print Diamond Pattern
Here we are going to write a java program to print Diamond Pattern using numbers. [java] package com.onlinetutorialspoint.patterns; import java.util.Scanner;
Java Program for Reverse of String
Here we are going to write a program for Reverse of String in Java. Reverse of String Example: [java] import java.util.Scanner;
Java Program to Check the Number is Perfect or not ?
Here we are going to write a program to check a number is Perfect or not ? Number is Perfect
Java Reflection Get Field Information
Here we are going to write a program, how to get the Field Information using Java Reflection mechanism. Get Field
Java Reflection Get Constructor Information
Here we are going to write a program, how to get the Constructor Information using Java Reflection mechanism. Get Constructor
Java Reflection Get Class Hierarchy
Here we are going to write a program, how to get the class hierarchy names using Java Reflection mechanism. Java
Java Program to Check a Number is Palindrome or not ?
Here we are going to write a program to check a number is Palindrome or not ? Number is Palindrome
Java Program to Find the GCD of Two Numbers
Here we are going to find GCD of two numbers in Java. Find GCD of two Numbers : [java] import java.util.Scanner;
Java Program To find A Number is ArmStrong or Not ?
Here we are going to write a program to check a number is ArmStrong or not ? Number is ArmStrong
Java Program To check a number is prime or not ?
Here we are going to write a program to check a number is prime or not ? Check a Number
Java Program to Print Pattern Triangle
Here we are going to write a program to print like below triangle numbers. Java Program to Print Pattern Triangle
Java Reflection Get Method Information
Here we are going to write a program, how to get the Method Information using Java Reflection mechanism. Get Method
Java Program To Find Largest and Smallest Number in Array
Here we are going to write a program to find Largest and Smallest Number in Array. Find Largest and Smallest
Java Program To Count number of words in a String
Here we are going to write a program count the number of words in a string using Java. Count the
Java Program to Find the characters count in String
Here we are going to write a program to find the characters count in String using Java. Find the characters