close
使用CountDownLatch來做等待的動作
執行CountDownLatch.await()會讓執行序停止
直到偵測到CountDownLatch.countDown()後才會繼續執行
example:
@Test public void test() throws InterruptedException { CountDownLatch latch = new CountDownLatch(1); latch.await(); latch.countDown(); assertTrue(false); }
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