Solution Review: Reverse any Number

class ReversingNumber {
    static int reverseNumber(int num){
        int temp = 0, remain = 0;
        while (num > 0){
            remain = num % 10;
            temp = temp * 10 + remain;
            num /= 10;
        }
        return temp;
    }
}
public class ReverseNum {
    public static void main(String[] args) {
        int num = 654321;
        System.out.println("We are going to reverse the number: " + num +
         "\nThe result is: " + ReversingNumber.reverseNumber(num));
    }
}