CountDownLatch
概述
场景示例:
public class JoinCountDownLatchTest {
public static void main(String[] args) throws InterruptedException {
Thread parser1 = new Thread(new Runnable() {
@Override
public void run() {
}
});
Thread parser2 = new Thread(new Runnable() {
@Override
public void run() {
System.out.println("parser2 finish");
}
});
parser1.start();
parser2.start();
parser1.join();
parser2.join();
System.out.println("all parser finish");
}
}应用
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