All works so far

src/GUI/ApplicationMain.java

src/GUI/ChatScreen.form

src/GUI/ChatScreen.java

src/client/ChatUpdate.java

src/client/Client.java

src/client/ClientUpdate.java

src/remote/IChatController.java

src/remote/IChatUpdate.java

src/remote/IClientController.java

src/remote/IClientUpdate.java

src/server/ChatController.java

src/server/ClientController.java

src/server/User.java