Program to reverse number in Java
import java.util.Scanner; class ReverseNumber { public static void main(String args[]) { int n, reverse = 0; System.out.println("Enter the number to reverse"); Scanner in = new Scanner(System.in); n = in.nextInt(); while( n != 0 ) { reverse = reverse * 10; reverse = reverse + n%10; n = n/10; } System.out.println("Reverse of entered number is "+reverse); } } Output