获得声音按钮的最佳方法按Java计算器？

I'm a learning Java student working on an independent project for my Resume. I decided to do a Java calculator because I know most of the components that make it up. One thing I don't know how to do is add sound on the button press. I have a vague idea what with the Audiostream input stuff. But I need unique sounds for each button on my calculator. Right now my calculator isn't completely finished (listeners don't work yet.) I was just wondering what would be the best way to incorporate my .wav files into the button presses. Thanks in advance. I'm a learning Java student working on an indep