线程-526互联

线程第一种定义方式：

1.继承Thread类 2.在子类中重写run（）方法 3.调用start（）方法启动线程（自带方法不是定义方法）

public class Test {
    class Runner extends Thread{
        @Override
        public void run() {
            Integer speed = new Random().nextInt(10);
            for (int i = 1; i <= 10; i++) {
                try {
                    Thread.sleep(1000);
                } catch (InterruptedException e) {
                    throw new RuntimeException(e);
                }
                System.out.println("第"+i+"秒"+this.getName()+"已跑到"+(i*speed)+"米，速度"+speed);
            }

        }
    }
    public void start(){
        Runner runner = new Runner();
        Thread thread = new Thread(runner);
        thread.start();
    }

    public static void main(String[] args) {
        new Test().start();
    }

}

线程第二种定义方式：

通过Runnable接口实现

public class Test {
    class Runner implements Runnable{

        @Override
        public void run() {
            Integer speed = new Random().nextInt(10);
            for (int i = 1; i <= 10; i++) {
                try {
                    Thread.sleep(1000);
                } catch (InterruptedException e) {
                    throw new RuntimeException(e);
                }
                System.out.println("第"+i+"秒"+Thread.currentThread().getName()+"已跑到"+(i*speed)+"米，速度"+speed);//与第一种实现方式相比，此处代码差别最大
            }

        }
    }
    public void start(){
        Runner runner = new Runner();
        Thread thread = new Thread(runner);
        thread.setName("参赛者A");
        thread.start();
    }

    public static void main(String[] args) {
        new Test().start();
    }

}