Program to Check Number is Palindrom or not

 import java.util.*;
 class Palindrom
 {
      public static void main(String args[])
      {
    int r,sum=0,temp;
    System.out.println("Enter a Number:");
    Scanner f=new Scanner(System.in);
    int n=f.nextInt();
    temp=n;
    while(n>0)
    {
r=n%10;
sum=(sum*10)+r;
n=n/10;
    }
    if(temp==sum)
    System.out.println("palindrome number ");
    else
    System.out.println("not palindrome");
    }
 }