Program for Factorial in Java

Loops

Here you will get program for factorial in java. We can find factorial of any number by multiplying it with all the numbers below it. For example, factorial of 4 is 4*3*2*1 = 24. Program for Factorial in Java package com; import java.util.Scanner; class Factorial { public static void main(String…s) { int n,fac=1,i; Scanner sc …

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Number Palindrome in Java

Loops

Here you will learn about number palindrome in java. A number is called palindrome if it is equal to its reverse. For example 1221 is a palindrome while 1234 is not palindrome. Below I have shared the java program to check given number is palindrome or not. Also Read: String Palindrome in Java   Program …

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Java program to swap two numbers without using temp variable

Simple

class Swap { public static void main(String…s) { int a,b; a=Integer.parseInt(s[0]); b=Integer.parseInt(s[1]); System.out.println(“nBefore Swap:n”+”a=”+a+”tb=”+b); a=a+b; b=a-b; a=a-b; System.out.println(“nAfter Swap:n”+”a=”+a+”tb=”+b); } }

Java program to swap two numbers

Simple

class Swap { public static void main(String…s) { int a,b,temp; a=Integer.parseInt(s[0]); b=Integer.parseInt(s[1]); System.out.println(“nBefore Swap:n”+”a=”+a+”tb=”+b); temp=a; a=b; b=temp; System.out.println(“nAfter Swap:n”+”a=”+a+”tb=”+b); } }

Java Program to Find Sum of Digits of a Number

Loops

Here you will get java program to find sum of digits of a number. For example if given digit is 125 then its sum will be 8. class sum { public static void main(String…s) { int n,i,sum=0; n=Integer.parseInt(s[0]); while(n!=0) { i=n%10; sum+=i; n/=10; } System.out.println(sum); } }   Output