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

public class GuessGame{
 //用3个实例变量分别表示3个player对象
 Player p1;
 Player p2;
 Player p3;
 public void startGame(){
  //创建player对象
  p1= new Player();
  p2 = new Player();
  p3= new Player();
  //定义3个变量来保存是否猜中
  int guessp1 = 0;
  int guessp2 =0;
  int guessp3 = 0;
  //定义3个变量来保存猜测的数字
  boolean p1isright = false;
  boolean p2isright =false;
  boolean p3isright =false;
  int tarnum =(int)(Math.random()*30); //产生谜底数字
  System.out.println("i guess 1 to 30");
  while(true)
  {
   System.out.println("number to guess is "+tarnum);
   p1.guess(); //调用Player中guess方法
   p2.guess();
   p3.guess();
   //取得每个player所猜测的数字将其列出
   guessp1 =p1.number;
   System.out.println("one "+guessp1 );
   guessp2 = p2.number;
   System.out.println("two "+guessp2);
   guessp3=p3.number;
   System.out.println("three "+guessp3);
   //检查是否猜中，
   if (guessp1==tarnum) 
   {
    p1isright=true;
   }
   if (guessp2==tarnum)
   {
    p2isright=true;
    }
   if (guessp3==tarnum)
   {
    p3isright=true;
   }
   //如果猜中一个或者多个...
   if(p1isright||p2isright||p3isright)
   {
    System.out.println("we are a winner");
    System.out.println("one "+p1isright);
    System.out.println("two "+p2isright);
    System.out.println("three "+p3isright);
    System.out.println("game is over"); 
    break; //因为上面while为true,所以会一直执行,直到if语句为真,执行下面的break才会结束循环
  }
  else 
   {System.out.println("123");}
 } 
}
}

public class Player {
 int number = 0; //要被猜的数字
 public void guess(){
  number =(int )(Math.random()*30);
  System.out.println("i guessing"+number);
 }
 }