创建线程及启动的几种方式

Posted 2020-12-13 xd-study

创建线程及启动的几种方式

public class ThreadNew {
    public static void main(String[] args) {
        new MyThread1().start();

        new Thread(new MyThread2()).start();

        FutureTask<Integer> futureTask = new FutureTask<Integer>(new MyThread3());
        new Thread(futureTask).start();
        try {
            Integer integer = futureTask.get();
            System.out.println(integer);
        } catch (InterruptedException e) {
            e.printStackTrace();
        } catch (ExecutionException e) {
            e.printStackTrace();
        }
    }
}
//1.继承Thread类
class MyThread1 extends Thread{
    @Override
    public void run() {
        System.out.println(Thread.currentThread().getName());
    }
}
//2.实现Runnable接口
class MyThread2 implements Runnable{
    @Override
    public void run() {
        System.out.println(Thread.currentThread().getName());
    }
}
//3.实现Callable接口
class MyThread3 implements Callable{
    @Override
    public Integer call() throws Exception {
        System.out.println(Thread.currentThread().getName());
        return 100;
    }
}