implementato parzialmente la deque

exceptions/EmptyDequeException.java

@@ -0,0 +1,14 @@
+package exceptions;
+
+/**
+ * Created with MONSTER.
+ * User: xgiovio
+ * Date: 05/03/14
+ * Time: 0.09
+ */
+public class EmptyDequeException extends RuntimeException {
+
+    public EmptyDequeException(){
+        super("Deque Empty");
+    }
+}