src/frames/FrameShipsCollection.java

@@ -186,12 +186,12 @@ public class FrameShipsCollection extends JFrame {
     private void buttonTrashClick(){
         if (trashCollection.size() == 0)
             return;
-        FrameBattleship Frame;
+        FrameBattleship frame;
         try {
-            Frame = new FrameBattleship();
+            frame = new FrameBattleship();
         } catch (IOException e) {
             throw new RuntimeException(e);
         }
-        Frame.setShip(trashCollection.pop());
+        frame.setShip(trashCollection.pop());
     }
 }