Initial data commit

Task/Mutex/Java/mutex-1.java

@@ -0,0 +1,10 @@
+import java.util.concurrent.Semaphore;
+
+public class VolatileClass{
+   public Semaphore mutex = new Semaphore(1); //also a "fair" boolean may be passed which,
+                                              //when true, queues requests for the lock
+   public void needsToBeSynched(){
+      //...
+   }
+   //delegate methods could be added for acquiring and releasing the mutex
+}