Initial data commit

Task/Mutex/Java/mutex-2.java

@@ -0,0 +1,10 @@
+public class TestVolitileClass throws Exception{
+   public static void main(String[] args){
+      VolatileClass vc = new VolatileClass();
+      vc.mutex.acquire(); //will wait automatically if another class has the mutex
+                          //can be interrupted similarly to a Thread
+                          //use acquireUninterruptibly() to avoid that
+      vc.needsToBeSynched();
+      vc.mutex.release();
+   }
+}