src/BoardDisplay.java

@@ -92,6 +92,15 @@ public class BoardDisplay extends JPanel {
         this.currentShip = ship;
     }
 
+    public void resetAllShips() {
+        ships.clear();
+        this.currentShip = null;
+        for(int i = 0; i < gridSize; i++) {
+            for(int j = 0; j < gridSize; j++) {
+                fields[i][j].setBackground(Color.BLUE);
+            }
+        }
+    }
     /**
      * TODO Funktion beschreiben etc.
      * @param ship

src/GameBoard.java

@@ -136,6 +136,13 @@ public class GameBoard extends JPanel {
         JToggleButton leftPlayerModul7 = new JToggleButton("Reset");
         leftPlayerModul7.setBackground(Color.RED);
         leftButtonsPanel.add(leftPlayerModul7);
+
+       leftPlayerModul7.addActionListener(new ActionListener() {
+            @Override
+            public void actionPerformed(ActionEvent e) {
+                ownBoardPanel.resetAllShips();
+            }
+            });
         // Panel für die Buttons des rechten Spielers (ganz rechts)
 
         //JPanel ownBoardPanel = new JPanel(new GridLayout(gridSize, gridSize));