Thread.join

当前线程可以调用另一个线程的join方法，调用后当前线程会被阻塞不再执行，直到被调用的线程执行完毕，当前线程才会执行

package gov.mof.fasp2.gcfr.adjustoffset.adjust;

public class Main {
    public static void main(String[] args) throws Exception {
        Runnable r1 = new Processor();
        Thread t1 = new Thread(r1, "t1");
        t1.start();
        
        try {
            t1.join();//主线程阻塞，等待t1线程执行结束才能继续执行主线程
        }catch(InterruptedException e) {
            e.printStackTrace();    
        }
        System.out.println("------main end-------");
    }    
}
class Processor implements Runnable {
    
    public void run() {
        for (int i=0; i<10; i++) {
            try {
                Thread.sleep(1000);
                System.out.println(Thread.currentThread().getName() + "," + i);
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
        }    
    }    
}

运行结果：