Read messages from server

src/main/java/ChatClient.java

@@ -9,6 +9,7 @@ public class ChatClient extends JFrame implements KeyListener {
     private String address;
     private int port;
     private Socket connectionToServer;
+    private BufferedReader fromServerReader;
     private PrintWriter toServerWriter;
 
     // GUI
@@ -44,8 +45,15 @@ public class ChatClient extends JFrame implements KeyListener {
     private void receiveMessages() {
         try {
             connectionToServer = new Socket(address, port);
+            fromServerReader = new BufferedReader(new InputStreamReader(connectionToServer.getInputStream()));
             toServerWriter = new PrintWriter(new OutputStreamWriter(connectionToServer.getOutputStream()));
+
             initGui();
+
+            while (true) {
+                String message = fromServerReader.readLine();
+                outputTextArea.append(message + "\n");
+            }
         } catch (IOException e) {
             JOptionPane.showMessageDialog(null, "Verbindung zum Server \"" + address + "\" fehlgeschlagen.");
         }