Java线程中Thread方法下的Join方法详解

package com.baidu.onepakage;
public class JoinTest {
    public static void main(String[] args) throws InterruptedException {
        Thread theadOne = new Thread(() -> {
            try {
                Thread.sleep(1000);
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
            System.out.println("TheadOne run over");
        });
        Thread threadTwo = new Thread(() -> {
            try {
                Thread.sleep(1000);
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
            System.out.println("TheadTwo run over");
        });
        theadOne.start();
        Thread.sleep(1000);
        threadTwo.start();
        System.out.println("main 开始启动了");
        theadOne.join();
        threadTwo.join();
        System.out.println("main 结束了");
    }
}

package com.baidu.onepakage;
public class JoinTest01 {
    public static void main(String[] args) {
        Thread threadOne = new Thread(() -> {
            for (; ; ) {
            }
        });
        // 获取主线程
        Thread mainThread = Thread.currentThread();
        // 线程2
        Thread threadTwo = new Thread(() -> {
            try {
                Thread.sleep(1000);
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
            // 中断主线程
            mainThread.interrupt();
        });
        threadOne.start();
        threadTwo.start();
        try {
            threadOne.join();
        } catch (InterruptedException e) {
            e.printStackTrace();
            System.out.println(Thread.currentThread().getName() + "发生了异常");
        }
    }
}