Java 6 Illuminated: An Active Learning Approach, 2nd Edition

Constructors

JRadioButton( String buttonLabel )

constructs a radio button labeled buttonLabel.By default,the

radio button is initially deselected.

JRadioButton( String buttonLabel, boolean selected )

constructs a radio button labeled buttonLabel.If selected is true,

the button is initially selected;if selected is false,the button is

deselected.

Useful Methods of the JRadioButton Class

Return value Method name and argument list

void addItemListener( ItemListener handler )

registers an event handler for ItemEvents for this radio button.This

method is inherited from the AbstractButton class.

boolean isSelected( )

returns true if the radio button is selected; ...