多线程如何在对Java线程使用join（）时导致InterruptedExpection？

Question

我正在编写一个测试用例，需要在调用join()的try-catch块中抛出InterruptedExpection。有什么例子吗

Answer 1

当然。只需从另一个线程调用theThreadThatJoined.interrupt()

public class JoinInterruptedExceptionExample {
public static void main(String[] args) {
   final Thread workerThread = new Thread(new Runnable() {
     @Override
     public void run() {
        try {
           Thread.sleep(20000);
        } catch (InterruptedException e) {
           e.printStackTrace();
        }
     }
   });
   workerThread.start();

   final Thread waitingThread = new Thread(new Runnable() {
     @Override
     public void run() {
        try {
           workerThread.join();
        } catch (InterruptedException e) {
           e.printStackTrace();
        }
     }
   });
   waitingThread.start();

   waitingThread.interrupt();

}
}