palindrome number in java

Write a program to check given number is palindrome or not.

Palindrome number

class PalindromeDemo {
  public static void main(String[] args) {


   int number = 121;
   int tempNumber = number;
   int newNumber = 0;


   while (tempNumber != 0) {
    int mod = tempNumber % 10;
    newNumber = newNumber * 10 + mod;
    tempNumber = tempNumber / 10;
   }


   if (number == newNumber) {
    System.out.println(number + " is palindrome");
   } else {
    System.out.println(number + " is not palindrome");
   }


  }
}

Output: 121 is palindrome