java Thread. join of usage
- 2020-06-19 10:18:50
- OfStack
Thread. join() in java
If a thread A executes an ES7en.join () statement, this means that the current thread A waits for the thread thread to terminate before returning from thread.join ().
import java.util.concurrent.TimeUnit;
/**
* 6-13
*/
public class Join {
public static void main(String[] args) throws Exception {
Thread previous = Thread.currentThread();
for (int i = 0; i < 10; i++) {
// Before each thread is owned 1 A reference to a thread that needs to wait before 1 The thread terminates before it can return from the wait
Thread thread = new Thread(new Domino(previous), String.valueOf(i));
thread.start();
previous = thread;
}
TimeUnit.SECONDS.sleep(5);
System.out.println(Thread.currentThread().getName() + " terminate.");
}
static class Domino implements Runnable {
private Thread thread;
public Domino(Thread thread) {
this.thread = thread;
}
public void run() {
try {
thread.join();
} catch (InterruptedException e) {
}
System.out.println(Thread.currentThread().getName() + " terminate.");
}
}
}
Execution Results:
main terminate.
0 terminate.
1 terminate.
2 terminate.
3 terminate.
4 terminate.
5 terminate.
6 terminate.
7 terminate.
8 terminate.
9 terminate.