2 files changed, 18 insertions, 0 deletions
diff --git a/src/main/java/observer/IObservable.java b/src/main/java/observer/IObservable.java
new file mode 100644
index 0000000..2dadc60
--- /dev/null
+++ b/src/main/java/observer/IObservable.java
@@ -0,0 +1,10 @@
+package observer;
+
+/**
+ * Created by loic on 21/09/16.
+ */
+public interface IObservable {
+    void addObserver(IObserver object);
+    void removeObserver(IObserver object);
+    void notifyObservers();
+}
diff --git a/src/main/java/observer/IObserver.java b/src/main/java/observer/IObserver.java
new file mode 100644
index 0000000..3bd1626
--- /dev/null
+++ b/src/main/java/observer/IObserver.java
@@ -0,0 +1,8 @@
+package observer;
+
+/**
+ * Created by loic on 21/09/16.
+ */
+public interface IObserver {
+    void update();
+}