Java Program to find Smallest Element in an Array

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In this post we will go through the process of finding the smallest element in an array using Java. Smallest Element in an Array : An array is a data structure that allows you to store multiple values of the same type in a single variable. It’s like a container that holds a collection of … Read more

Java Program to find Largest Element in an Array

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Hey there, Today, we’re going to explore a common problem in array : finding the largest element. In this post we will go through the process of finding the largest element in an array using Java. Introduction : An array is a data structure that allows you to store multiple values of the same type … Read more

Java program to remove duplicate characters from a string

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In this post, you will learn how to find duplicate characters in a string in Java and also method to find the duplicate characters in a string. Problem Statement: You are given a string of characters, and you need to find the duplicate characters in that string using Java program. Duplicate Characters in a string … Read more

Java Program to Check Armstrong Number

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In this post, we will discuss what is Armstrong number and also create java program to check if the given number is an Armstrong number or not. Armstrong Number: An Armstrong number is a number that is equal to the sum of its own digits raised to the power of the number of digits. For … Read more

Factorial of a Number in Java

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In this post, you will learn how to find out the factorial of a number in Java. Factorial : Factorial of a number is the multiplication of all smaller integers than the number, including the number itself. We can write factorial of a number as, Solution : There are mainly two ways to write the … Read more

Java Program to Print Multiplication Table of a Number

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In this post we will go through the basic java program to print table of a number : Input : Enter number : 5 Output : Multiplication table of 5 5 * 1 = 5 5 * 2 = 10 5 * 3 = 15 5 * 4 = 20 5 * 5 = 25 … Read more

Java Program to Reverse a Number

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In this post you will learn basic java program that reverses the digits of a number and print the reversed number. Problem: Here is the example of the problem – Example 1: Input : 5678 Output :8765 Example 2: Solutions: First, we find the remainder of the given number by using the modulo (%) operator. … Read more

Java Program to Count Digits of a Number

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Here is a simple Java program that counts the number of digits in a given integer: Problem Here is example of the problem  – Enter an Number : 12345 Number of digits in 12345 : 5 Algorithm: Start program, Read or input a number, declare an integer variable count initialize it with 0, Divide the … Read more

Java program to Count the Total number of Characters in a String

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In this post you will see the basic java string program that count the total number of characters in a string. Here, first we understand that what is string, String: String is a sequence of characters; string is immutable that means once we created a string, we can’t change its value. In Java the String … Read more

Java Program to Display Fibonacci Series

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In this post we will explore how to generate Fibonacci Series in java and understand the logic behind it. Fibonacci Series: In Fibonacci series, the next number is the sum of previous two numbers. for example 0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55 etc. Solutions: There are two ways to display … Read more

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