Number guess

package my_guess;

import java.util.Scanner;

// Number guessing game . computer picks random number between 0 and max number
// user keeps guessing number and game tells if high or low or correct
// when correct it tells how many guesses it took
// then asks if player wishes to play again
public class Guess {
    private static int rand, guess, count, MAX;
    private static String play_again = null;
    private static Scanner scan;

    public static void main(String[] args) {
        scan = new Scanner(System.in);
        MAX = 1000;
        intro_game();
    }

    private static void intro_game() {
        System.out
                .println("This is a number guessing game. Try to guess the number I am thinking of");
        System.out.println("from 1 to 1000 in the least amount of tries.");
        System.out.println("I will tell you if it's higher or lower.");
        get_random_number();

    }

    private static void get_random_number() {
        rand = (int) ((Math.random() * (MAX - 1) + 1));
        System.out.println("Now guess the number I am thinking of.");
        guess_check();
    }

    private static void guess_check() {
        while (true) {
            try {
                // get input and also check if it's an Integer
                guess = Integer.parseInt(scan.next());
                break;
            } catch (NumberFormatException ignore) {
                System.out.println("It has to be an integer.");
                count++;// even wrong type of guess is counted
            }
        }
        high_low();
    }

    private static void high_low() {
        count++;
        if (guess > rand) {
            System.out.println("To high.");
            guess_check();
        } else if (guess < rand) {
            System.out.println("To low");
            guess_check();
        } else
            System.out.println("Correct, it took you " + count + " tries");
        play_again();
    }

    private static void play_again() {
        System.out.println("Would you like to play again? (y or n)");

        while (true) {
            try {// keep asking until it's a 'y' or 'n' input regardless of case
                play_again = scan.next();
                if (play_again.equalsIgnoreCase("y")) {
                    //reset all
                    rand = 0;
                    guess = 0;
                    count = 0;
                    scan.reset();
                    break;

                } else if (play_again.equalsIgnoreCase("n")) {
                    System.out.println("Thanks for playing.");
                    System.exit(0);
                }
            } catch (Exception e) {
                System.out.println("This should never show");
            }
        }
        intro_game(); // restart
    }
}