How to add a radio button group in a core java program such that only one radio button is selected at one time?

Question

I am building a project in core java. BUt i\'m stuck in making a radio button group ( for entering the gender (male/female). For that i need a radio group such that only one

Answer 1

Here's a radio button grouping:

JRadioButton button1 = ...;
button1.setSelected(true);
JRadioButton button2 = ...;
ButtonGroup group = new ButtonGroup();
group.add(button1);
group.add(button2);