initial commit

src/cards/maumau/model/IObserver.java

@@ -0,0 +1,18 @@
+package cards.maumau.model;
+
+/**
+ * Interface for observing changes in the Mau-Mau game.
+ */
+public interface IObserver {
+    /**
+     * Method called to notify the observer of a general update in the game.
+     */
+    void update();
+
+    /**
+     * Method called to send a message to the observer.
+     *
+     * @param msg The message to be sent.
+     */
+    void message(String msg);
+}