What have you tried? There are several examples in the API doc on how to use JRadioButtons.
Type: Posts; User: Norm
What have you tried? There are several examples in the API doc on how to use JRadioButtons.
Can you make and post a small complete program that compiles, executes and shows the problem?
If the source of the event is next, how can the source be any of the other components?
Only one if...