add > juc TimeUnit test code

lihengming · lihengming · commit 47a87a098ccf · 2017-06-18T20:25:15.000+08:00
diff --git a/concurrent/src/main/java/juc/TimeUnitTest.java b/concurrent/src/main/java/juc/TimeUnitTest.java
@@ -0,0 +1,43 @@
+package juc;
+
+import java.util.concurrent.TimeUnit;
+
+/**
+ * Created by 李恒名 on 2017/6/17.
+ */
+public class TimeUnitTest {
+
+    public static void main(String[] args) throws InterruptedException {
+        //睡眠13分钟
+        TimeUnit.MINUTES.sleep(13);
+        //Thread.sleep(780000);//这样写你知道是多久吗？
+        //Thread.sleep(13*60*1000);//这样写会稍微好些
+
+        //睡眠1小时
+        TimeUnit.HOURS.sleep(1);
+        //Thread.sleep(3600000);
+
+        TimeUnitTest test = new TimeUnitTest();
+
+        Thread thread = new Thread(() -> test.work());
+
+        //10秒内Join
+        TimeUnit.SECONDS.timedJoin(thread,10);
+        //thread.join(10000);
+
+
+    }
+
+    public  synchronized  void work() {
+        System.out.println("Begin Work");
+        try {
+            //等待30秒后，自动唤醒继续执行
+            TimeUnit.SECONDS.timedWait(this, 30);
+            //wait(30000);
+        } catch (InterruptedException e) {
+            e.printStackTrace();
+        }
+        System.out.println("Work End");
+    }
+
+}
