Java program to reverse number

Java programming source code

1. class ReverseNumber
2. {
3.    public static void main(String args[])
4.    {
5.       System.out.println("Enter the number to reverse");
6.       int n=54321,
7.       int reverse = 0;
8. 
   
9.       while( n != 0 )
10.       {
11.           reverse = reverse * 10;
12.           reverse = reverse + n%10;
13.           n = n/10;
14.       }
15. 
    
16.       System.out.println("Reverse number is "+reverse);
17.    }
18. }

Output of program:
         Reverse number is 12345