JAVA Program to Reverse a Number or integer using Scanner class by taking input from user.

//Reversing a Number:JAVA Program
import java.util.*;
public class ReverseNumber
{
public static void main(String args[])
{
int number, reverse=0, rem;

Scanner sc = new Scanner(System.in);
System.out.print("Enter a number to be reversed: ");
number = sc.nextInt();

while(n!=0)
{
rem = number%10;    
reverse = reverse+rem;
number = number/10;
}
System.out.println(reverse);
}
}

Output: 

Enter a number to be reversed: 123