java线程

package demo2;

public class Demo1 {
    public static void main(String[] args) {
        Cat cat = new Cat();
        cat.start();
    }

}

class Cat extends Thread {
    int times = 0;

    // 重写run函数
    public void run() {
        while (true) {
            // 每一秒打印一次
            try {
                Thread.sleep(100);
            } catch (Exception e) {
                // TODO: handle exception
            }
            System.out.println("hello,world");
            times++;
            if (times == 10)
                break;
        }
    }
}

package demo2;

public class Demo1 {
    public static void main(String[] args) {
        Cat cat = new Cat();
        Thread t = new Thread(cat);
        t.start();
    }

}

class Cat implements Runnable {

    int times = 0;

    // 重写run函数
    public void run() {
        while (true) {
            // 每一秒打印一次
            try {
                Thread.sleep(100);
            } catch (Exception e) {
                // TODO: handle exception
            }
            System.out.println("hello,world");
            times++;
            if (times == 10)
                break;
        }
    }
}