java程序无错误没有主方法_为什么java代码里有main函数，运行时却说没有main函数，附上代码，没有提示错误，但不能运行！急求答案！...

packagethirtynine;publicclassGuessGame{Playerp1;Playerp2;Playerp3;publicvoidstart(){p1=newPlayer();p2=newPlayer();p3=newPlayer();intguessp1=0;intguessp2=0;intguessp3=0;bo...

package thirtynine;

public class GuessGame {

Player p1;

Player p2;

Player p3;

public void start(){

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("im 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 hava 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?"+p1isright);

System.out.println("Game is over");

break;

}

else{

System.out.println("Players will hava try again");

}

}

}

public class Player {

int number=0;

public void guess(){

number=(int)(Math.random()*10);

System.out.println("im guessing"+number);

}

}

public class GameLauncher{

public void main(String[] args){

GuessGame game=new GuessGame();

game.start();

}

}

}

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