JAVA help on NIM game

I was wondering if anyone would be willing to help me with a few features in my JAVA game NIM. It was a project for school...but i have turned in my game for my final grade. So now i'm trying to make the game better for my own sake. what i want to do is this...

1.) lock row of JButtons after one marble in that row has been selected and disable the other two rows from being clicked.

2.) Max clicks per turn per player is 4 and then disable clicks on the three rows from that player.

3.) add music option



....if this is the wrong section, i'm sry was not sure where to post...

...if you need anymore info just contact me, any help will be greatly appreciated...