created winningpanel method

src/main/java/Gui/GameGui.java

@@ -15,8 +15,8 @@ import game.loadNextQuestion;
 
 public class GameGui implements GameGuiInterface {
 
-public static JPanel MainPanel, ButtonPanel, headingPanel;
-public static JLabel Headline,QuestionLabel;
+public static JPanel MainPanel, ButtonPanel, headingPanel, WinningPanel;
+public static JLabel Headline,QuestionLabel,WinningLabel;
 public static JButton AnswersBtn1,AnswersBtn2,AnswersBtn3,AnswersBtn4;
 public static int questionNr = 0;
 GridLayout grid;
@@ -41,6 +41,17 @@ GridBagConstraints gbc;
 		headingPanel.setLayout(grid);
 		gui.Frame.add(MainPanel);
 	}
+	@Override
+	public void createWinningPanel() {
+		GameGui.MainPanel.setVisible(false);
+		GameGui.ButtonPanel.setVisible(false);
+		WinningPanel = new JPanel();
+		WinningLabel = new JLabel("Du hast Gewonnen!");
+		WinningPanel.add(WinningLabel);
+        gui.Frame.add(WinningPanel);
+	}
+	
+
 	@Override
 	public void createHeadline() {
 		Headline = new JLabel("Wer wird Millionär?");

src/main/java/Gui/GameGuiInterface.java

@@ -6,6 +6,8 @@ public interface GameGuiInterface {
 
 	void CreatePanel();
 	
+	void createWinningPanel();
+
 	void createHeadline();
 
 	void createQuestionLabel();