编辑代码

public class Player {
    int number = 0; //where the guess goes

    public void guess() {
        number = (int) (Math.random() * 10);
        System.out.println("I'm guessing " + number);
    }
}

public class Gamelauncher {
    public static void main (String[] args) {
        GuessGame game = new GuessGame();
        game.startGame();
    }
}
public class Guessgame {
	Player p1;
    Player P2;
    Player P3;

    public void startGame() {
        p1 = new Player()
        p2 = new Player();
        p3 = new Player();

        int guessp1 = 0;
        int guessp2 = 0;
        int guessp3 = 0;

        boolean p1isRight = false;
        boolean p2isRight = false;
        boolean p3isRight = false;

        int targetNumber = (int) (Math.random() * 10);
        System.out.println("I'm thinking of a number between 0 and 9...");

        while(true) {
            System.out.println("number to guess is " + targetNumber);

            p1.guess();
            p2.guess();
            p3.guess();

            guessp1 = p1.number;
            System.out.println("Player one guessed " + guessp1);

            guessp2 = p2.number;
            System.out.println("Player two guessed " + guessp2);

            guessp3 = p3.number;
            System.out.println("Player three guessed " + guessp3);

            if (guessp1 == targetNumber) {
                p1isRight = true;
            }
            if (guessp2 == targetNumber) {
                p2isRight = true;
            }
            if (guessp3 == targetNumber) {
                p3isRight = true;
            }
            
            if (p1isRight || p2isRight || p3isRight) {

                System.out.println("we have a winner!");
                System.out.println("Player one got it right?" + p1isRight);
                System.out.println("Player two got it right?" + p2isRight);
                System.out.println("Player three got it right?" + p3isRight);
                System.out.println("Game is over.");
                break;
            }else {
                
                System.out.println("Players will have to try again.");
            }
        }
    }
}