Update Methode void BuildGui and add class NewGameListener

src/main/java/BattleShip/BShip.java

@@ -1,6 +1,8 @@
 package BattleShip;
 
 import javax.swing.*;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
 
 public class BShip {
 
@@ -35,6 +37,19 @@ public class BShip {
         boardSize[1] = new JMenuItem("10x10");
         boardSize[2] = new JMenuItem("12x12");
 
+        JMenuBar bar = new JMenuBar();
+        JMenu menu = new JMenu("file");
+        JMenuItem newGame = new JMenuItem("New Game");
+        newGame.addActionListener(new NewGameListener());
+        JMenu sizes = new JMenu("Board Size");
+        for(int i = 0; i < boardSize.length; i++) {
+            boardSize[i].addActionListener(new NewGameListener());
+            sizes.add(boardSize[i]);
+        }
+    }
+
+    public class NewGameListener implements ActionListener {
+        public void actionPerformed(ActionEvent a) {}
     }
 
 }