GUI components of a memory game

Question

I am working on a homework so i am not asking for code, i am trying to make this by myself. by the way, i am stuck again with the GUI part and have little problems with code par

Answer 1

I'd start with How to Use Buttons. JToggleButton works well for this, as you can change the Icon in an ItemListener based on the button's selected state. Examples may be found here and here.