Multithreading - Création de threads

class MyThread extends Thread {
    private String title;
    private int ticket = 20;
 
    public MyThread(String title) {
        this.title = title;
    }
 
    public void run() {  //放每个线程的子任务
        while (ticket > 0) {
            System.out.println("当前线程为"+title+"，还剩下"+ticket--+"票");
        }
    }
}
 
public class ThreadTest {
    public static void main(String[] args) {
        MyThread myThread1 = new MyThread("黄牛A");
        MyThread myThread2 = new MyThread("黄牛B");
        MyThread myThread3 = new MyThread("黄牛C");
        myThread1.start();
        myThread2.start();
        myThread3.start();
    }
}

class MyRunnable implements Runnable{
    @Override
    public void run() {
      for(int i =0;i <10;i++){
          System.out.println(Thread.currentThread().getName()+"、i="+i);
      }
    }
}
public class RunnableTest {
    public static void main(String[] args) {
       Runnable runnable =new MyRunnable();      //向上转型
        new Thread(runnable,"线程A").start();    //设置线程名字
        new Thread(runnable).start();     //没有设置线程名字，则是系统默认从 Thread-(0,1,2...)
        Thread thread1 = new Thread(runnable);
        thread1.setName("线程B");        //调用setName()设置名字
        thread1.start();
    }
}

class MyCallable implements Callable<String>{
    private int ticket =20;
    @Override
    public String call() throws Exception {
        while(ticket > 0){
            System.out.println(Thread.currentThread().getName()+"还剩下"+ticket--+"票");
        }
        return "票卖完了，再见";
    }
}
public class CallableTest {
    public static void main(String[] args) throws ExecutionException, InterruptedException {
        //产生Callable对象
        MyCallable myCallable = new MyCallable();
        //产生FutureTask对象
        FutureTask futureTask = new FutureTask(myCallable);
        Thread thread = new Thread(futureTask);
        thread.start();
        System.out.println(futureTask.get()); //接收Callable对象的返回值
    }
}