title: How to use an action listener to check if a certain button was clicked?
body: <p>I have 4 lists of buttons arranged into a column in my program. As of now I have 4 loops that check to see if a button has been clicked or not. Is there a simple way to check if any button has been clicked instead of looping through each list to see if that certain button was clicked. There must be an easier way to check if "actionSource == anybutton"...</p>