update

src/main/java/BattleShip/GridGUI.java

@@ -32,7 +32,14 @@ public class GridGUI extends JPanel {
         rows = r;
         columns = c;
     }
+    public void build() {
 
+        allShips.add(destroyer);
+        allShips.add(cruiser);
+        allShips.add(submarine);
+        allShips.add(battleship);
+        allShips.add(aircraftCarrier);
+    }
     public void setShipLocations() {