Loto game

package class170629;

import java.util.Random;
import java.util.Scanner;

public class arrayLoto {

    public static void main(String[] args) {
        /*
         * Loto game
         * input: 6 different integer numbers in the range [1..49]
         * process: 1) computer selects 7 integer different numbers in the range [1..49]
         *          2) count the same numbers that player and computer has selected: winning numbers
         * output: the number of winning numbers
         */

        // create a scanner
        Scanner s = new Scanner(System.in);
        // create a Random object
        Random rnd = new Random();

        // array for player numbers
        int[] guess = new int[6];

        // read 6 different numbers from the user
        System.out.println("Enter your six different numbers (1 to 49): ");
        for (int i = 0; i < guess.length; i += 1) {

            boolean used; // if true: this number is in use, ignore it
            do {
                used = false;
                do {
                    guess[i] = s.nextInt();
                } while (guess[i] < 1 || guess[i] > 49);

                // has this number been used before?
                for (int j = 0; j < i; j += 1) {
                    if (guess[i] == guess[j]) {
                        used = true;
                        break;
                    }
                }
            } while (used);
        }

        s.close();

        // array for winning numbers
        int[] win = new int[7];

        // selecting winning numbers
        System.out.println("Computer is thinking, please wait . . .");

        // select 7 different numbers randomly
        for (int i = 0; i < win.length; i += 1) {
            boolean used; // if true: this number is in use, ignore it
            do {
                used = false;
                win[i] = 1 + rnd.nextInt(49);

                // has this number been used before?
                for (int j = 0; j < i; j += 1) {
                    if (win[i] == win[j]) {
                        used = true;
                        break;
                    }

                }
            } while (used);
        }

        // print winning numbers
        System.out.println("\nThe computer numbers are:");
        for (int num : win) {
            System.out.printf("%d ", num);
        }
        System.out.println();

        // print player numbers and a message for winning number
        System.out.println("your numbers are:");

        int winCount = 0; // counter for winning numbers
        for (int guessedNumber : guess) {
            String msg = "";
            // check if this number wins
            for (int winningNumber : win) {
                if (winningNumber == guessedNumber) {
                    msg = "(win)";
                    winCount += 1;
                    break;
                }
            }
            // print the player number with a message
            System.out.printf("%d%s ", guessedNumber, msg);
        }

        System.out.printf("\n\nYou have %d winning numbers!", winCount);

    }
}