java学习笔记 多线程操作的相关方法

public class Test {
    public static void main(String[] args) {
          MyThread mt1 = new MyThread();
          Thread thread = new Thread(mt1,"t1");
          System.out.println(thread.isAlive() + "+++++++++++++++++++++++++");//false
          thread.start();
          System.out.println(thread.isAlive() + "+++++++++++++++++++++++++");//true
          for(int i = 1; i <= 10; i++) {
                if (i == 5) {
                    try {
                        thread.join();//强制运行，知道结束，其他线程才能运行    
                    }catch(InterruptedException e) {
                        e.printStackTrace();    
                    }    
                 }
                System.out.println(Thread.currentThread().getName() + "运行" + i);    
            }    
            System.out.println(thread.isAlive() + "+++++++++++++++++++++++++");
    }
}

class MyThread implements Runnable {
    public void run() {
        for(int i = 1; i <= 10; i++) {
            System.out.println(Thread.currentThread().getName() + "运行" + i);    
        }        
    }
}