task 5 started.

week3_TinsaeGhilay/Task 5/src/common/ClientInterface.java

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+package common;
+
+/**
+ * ClientInterface interface
+ * 
+ * @author Tinsae Ghilay
+ *
+ */
+import java.rmi.Remote;
+import java.rmi.RemoteException;
+
+public interface ClientInterface extends Remote {
+
+    void receiveMessage(String fromId, String message) throws RemoteException;
+
+}

week3_TinsaeGhilay/Task 5/src/common/ServerInterface.java

@@ -0,0 +1,23 @@
+package common;
+
+/**
+ * ClientInterface interface
+ * 
+ * @author Tinsae Ghilay
+ *
+ */
+import java.rmi.Remote;
+import java.rmi.RemoteException;
+import java.util.List;
+
+public interface ServerInterface extends Remote {
+
+    void registerClient(String clientId, ClientInterface client) throws RemoteException;
+
+    void sendMessage(String fromId, String toId, String message) throws RemoteException;
+
+    void blockClient(String clientId, String blockedId) throws RemoteException;
+
+    List<String> getOfflineMessages(String clientId) throws RemoteException;
+
+}