Java Palindrome Exercise

package palindromes;

import java.util.Scanner;

/**
 *
 * @author Aidan
 */
public class Palindromes {

    static {
        renew();
    }

    private static void renew() {
        input = new Scanner(System.in);
    }

    private static Scanner input;

    public static void main(String[] args) {
        Integer in_value;

        do {
            System.out.print("Enter the number to flip: ");
            try {
                in_value = input.nextInt();
            } catch (Exception e) {
                in_value = 0;
            }
            renew();
        } while (in_value <= 0);

        System.out.println("Flipped, " + in_value + " resolves to " + flip(in_value) + '.');
        System.out.println(check(in_value) ? "Yes, " + in_value + " is a Palindrome." : "No, " + in_value + " isn't a Palindrome.");
        System.out.flush();

    }

    // Flip an Integer in base 10.
    private static Integer flip(final Integer x) {
        Integer tmp_out = 0, tmp_in = x, tens = (int) Math.log10(x);
        do {
            tmp_out += ((int) Math.pow(10.0, (double) tens--)) * (tmp_in % 10);
            tmp_in /= 10;
        } while (tmp_in != 0);
        return tmp_out;
    }

    // Check if an Integer is a Palindrome.
    private static Boolean check(final Integer x) {
        return x.equals(flip(x));
    }

}