Three Different Way of Reversing Number in Java

 As salamo alaikum wa rahmatullah

3 different way to reverse a number

package examples;

import java.util.Scanner;

public class ReverseNumber {

public static void main(String[] args) {

// TODO Auto-generated method stub

Scanner sc=new Scanner(System.in);

System.out.println("Enter number to be reversed");

int num=sc.nextInt();

// Logic - 01

int rev=0;

while(num!=0) {

rev=rev*10 + num%10;

num=num/10;

}

System.out.println(rev);

// Logic - 02

System.out.println("Enter a number again");

num=sc.nextInt();

StringBuffer rev1;

StringBuffer sb=new StringBuffer(String.valueOf(num));

rev1=sb.reverse();

System.out.println("Reverse number"+rev1);

// Logic - 03 

StringBuilder rev2;

StringBuilder sbl=new StringBuilder();

sbl.append(num);

rev2=sbl.reverse();

System.out.println("Reverse number"+rev2);

}

}

Zajak allah khair