How do i make a JButton act differently depending on a RadioButton group

I want my button to call different code depending on which radio button is activated. i have tryed to use If statements
e.g. if( RadioButton = true) etc but it doesnt recognise the boolean.
any ideas?

I want my button to call different code depending on which radio button is activated. i have tryed to use If statements If there are more than one radio buttons and they are mutually exclusive then ButtonGroup is a good option.This makes selection of only one radio Button automatic and you can get selected button using something like:
buttonGroup.getSelection();----what do you mean by
if( RadioButton = true)I think you should use this :
if( radioButton.isSelected())Thanks!

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How do i make a JButton act differently depending on a RadioButton group

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