Java 11 migrate remaining (g,h,i) (#1116)

* Moves game-loop to Java 11

* Moves guarded-suspension to Java 11

* Moves half-sync-half-async to Java 11

* Moves hexagonal to Java 11

* Moves intercepting-filter to Java 11

* Moves interpreter to Java 11

* Moves iterator to Java 11

half-sync-half-async/src/main/java/com/iluwatar/halfsynchalfasync/App.java

@@ -70,7 +70,7 @@ public class App {
    * @param args command line args
    */
   public static void main(String[] args) {
-    AsynchronousService service = new AsynchronousService(new LinkedBlockingQueue<>());
+    var service = new AsynchronousService(new LinkedBlockingQueue<>());
     /*
      * A new task to calculate sum is received but as this is main thread, it should not block. So
      * it passes it to the asynchronous task layer to compute and proceeds with handling other