WRITE A PROGRAM FOR REVERSE OF A NUMBER

import java.util.*;
class revnum
{
public static void main(string args[])
{
int n,rev,d;
scanner os=new scanner(system.in);
system.out.println("enter n value");
n=os.next int();
rev=0;
do
{
d=n%10;
rev=rev*10+d;
n=n/10;}
while(n!=0);
system.out.println("reverse number :" +rev);
}
}