关于多线程的一道题目

Question

已知有一个球，球编号为A,3个线程同时去取该球，打印拿到该球的线程名称
1.编写球类
2.编写线程类
3.给线程命名
4打印拿到该球的线程名称

Answer 1

public class TestThread {

private static String status = "A";

public static void main(String[] args) {

new Thread(new Runnable() {

@Override

public void run() {

int count=10;

for(int i=0;i<count;){

 synchronized (status) {

  if(status.equals("A")){

   System.out.print("A");

   status="B";

   i++;

  }

 }

}

}

}).start();

new Thread(new Runnable() {

@Override

public void run() {

int count=10;

for(int i=0;i<count;){

 synchronized (status) {

  if(status.equals("B")){

   System.out.print("B");

   status="C";

   i++;

  }

 }

}

}

}).start();

new Thread(new Runnable() {

@Override

public void run() {

int count=10;

for(int i=0;i<count;){

 synchronized (status) {

  if(status.equals("C")){

   System.out.print("C");

   status="A";

   i++;

  }

 }

}

}

}).start();

}