Java 多线程简单使用&线程执行等待

List<Thread> threadSet = new ArrayList<>();//存放线程的List
for (int i = 1; i <= 10; i++) {
    MyThread myThread = new MyThread();//初始化线程类
    myThread.start();//开始线程
    threadSet.add(myThread);//将线程加入到数组中
}
for (Thread thread : threadSet) {
　　thread.join();//等待线程执行结束后再执行
}
System.out.println("线程执行结束后执行");


class MyThread extends Thread {
    @Override
    public void run() {
        //TODO 多线程逻辑
    }
}