【Java多线程】线程停止

￡神魔★判官ぃ 2022-03-18 16:38 342阅读 0赞

# 借助抛异常停止 #

package top.yuyufeng.demo.thread;
    
    /**
     * @author yuyufeng
     * @date 2019/2/21.
     */
    public class Demo1Threadinterrupted {
        public static void main(String[] args) {
            try {
                MyThread t1 = new MyThread();
                t1.start();
                Thread.sleep(1000);
                t1.interrupt();
                System.out.println("是否停止：" + t1.isInterrupted());
            } catch (InterruptedException e) {
                System.out.println("main catch");
                e.printStackTrace();
            }
            System.out.println("end!");
        }
    
    }
    
    class MyThread extends Thread {
        @Override
        public void run() {
            super.run();
            try {
                for (int i = 0; i < 500000; i++) {
                    System.out.println("i=" + (i + 1));
                    if (this.isInterrupted()) {
                        System.out.println("线程已经终止");
                        throw new InterruptedException();
                    }
                }
                System.out.println("线程快结束了！");
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
        }
    }

# 借助return停止 #

class MyThread extends Thread {
        @Override
        public void run() {
            super.run();
            for (int i = 0; i < 500000; i++) {
                System.out.println("i=" + (i + 1));
                if (this.isInterrupted()) {
                    System.out.println("线程已经终止");
                    return;
                }
            }
            System.out.println("线程快结束了！");
        }
    }

> 建议使用抛异常的方式进行停止，能更好的控制流程