In the CountDownLatch_6.App#App ; the thread pool must be shut down ... Otherwise the app (main thread) wont stop executing after the last line.

IOAyman · IOAyman · commit 8ed7488d2d0d · 2015-01-09T09:43:20.000+01:00
diff --git a/JavaMultiThreadingCodes/src/CountDownLatch_6/App.java b/JavaMultiThreadingCodes/src/CountDownLatch_6/App.java
@@ -58,6 +58,8 @@ public static void main(String[] args) {
         for (int i = 0; i < 3; i++) {
             executor.submit(new Processor(latch));
         }
+        executor.shutdown();
+
         try {
             // Application’s main thread waits, till other service threads which are
             // as an example responsible for starting framework services have completed started all services.

Original file line number	Diff line number	Diff line change
`@@ -58,6 +58,8 @@ public static void main(String[] args) {`
`58`	`58`	`for (int i = 0; i < 3; i++) {`
`59`	`59`	`executor.submit(new Processor(latch));`
`60`	`60`	`}`
	`61`	`+ executor.shutdown();`
	`62`	`+`
`61`	`63`	`try {`
`62`	`64`	`// Application’s main thread waits, till other service threads which are`
`63`	`65`	`// as an example responsible for starting framework services have completed started all services.`