reverse of number

ublic static int reverse(int num) {
    int reverse = 0;
    while (num != 0) {
        reverse = reverse * 10 + num % 10;
        num = num / 10;
    }
    return reverse;
}

A:

You can use the following code to reverse a number.
public static int reverse(int num) {
    int reverse = 0;
    while (num