added missing javadocs in the NetworkDialog.java

Projekte/battleship/client/src/main/java/pp/battleship/client/NetworkDialog.java

@@ -92,6 +92,9 @@ private void connectServer() {
         }
     }
 
+    /**
+     * This method will start a server or just connect to one based on the boolean hostServer
+     */
     private void connect() {
         if(hostServer){
             startServer();
@@ -106,13 +109,16 @@ private void connect() {
         }
     }
 
+    /**
+     * This method starts a server in a new thread
+     */
     private void startServer() {
         new Thread(() -> {
             try{
                 BattleshipServer battleshipServer = new BattleshipServer();
                 battleshipServer.run();
             } catch (Exception e) {
-                LOGGER.log(Level.ERROR,e);
+                LOGGER.log(Level.ERROR, e.getMessage(), e);
             }
         }).start();
     }