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Class java.awt.swing.JRadioButton 

java.lang.Object
    |
    +----java.awt.Component
            |
            +----java.awt.Container
                    |
                    +----java.awt.swing.JComponent
                            |
                            +----java.awt.swing.AbstractButton
                                    |
                                    +----java.awt.swing.JToggleButton
                                            |
                                            +----java.awt.swing.JRadioButton
public class JRadioButton
extends JToggleButton
implements Accessible
An implementation of a radio button. Used with ButtonGroup to create a group of buttons in which only one button at a time can be selected. See How to Use Radio Buttons in The Java Tutorial for further documentation.

See Also:
ButtonGroup

Constructor Index

o JRadioButton()
Creates an initially unselected radio button with no set text.
o JRadioButton(Icon)
Creates an initially unselected radio button with the specified image but no text.
o JRadioButton(Icon, boolean)
Creates a radio button with the specified image and selection state, but no text.
o JRadioButton(String)
Creates an unselected radio button with the specified text.
o JRadioButton(String, boolean)
Creates a radio button with the specified text and selection state.
o JRadioButton(String, Icon)
Creates a radio button that has the specified text and image, and that is initially unselected.
o JRadioButton(String, Icon, boolean)
Creates a radio button that has the specified text, image, and selection state.

Method Index

o getAccessibleActionDescription(int)
Return a description of the specified action of the object.
o getAccessibleRole()
Get the role of this object.
o getUIClassID()
Returns a string that specifies the name of the L&F class that renders this component.
o updateUI()
Notification from the UIFactory that the L&F has changed.

Constructors

o JRadioButton 
public JRadioButton()
Creates an initially unselected radio button with no set text.

o JRadioButton 
public JRadioButton(Icon icon)
Creates an initially unselected radio button with the specified image but no text.

Parameters:
icon - the image that the button should display
o JRadioButton 
public JRadioButton(Icon icon,
                    boolean selected)
Creates a radio button with the specified image and selection state, but no text.

Parameters:
icon - the image that the button should display
selected - if true, the button is initially selected; otherwise, the button is initially unselected
o JRadioButton 
public JRadioButton(String text)
Creates an unselected radio button with the specified text.

Parameters:
text - the string displayed on the radio button
o JRadioButton 
public JRadioButton(String text,
                    boolean selected)
Creates a radio button with the specified text and selection state.

Parameters:
text - the string displayed on the radio button
selected - if true, the button is initially selected; otherwise, the button is initially unselected
o JRadioButton 
public JRadioButton(String text,
                    Icon icon)
Creates a radio button that has the specified text and image, and that is initially unselected.

Parameters:
text - the string displayed on the radio button
icon - the image that the button should display
o JRadioButton 
public JRadioButton(String text,
                    Icon icon,
                    boolean selected)
Creates a radio button that has the specified text, image, and selection state.

Parameters:
text - the string displayed on the radio button
icon - the image that the button should display

Methods

o updateUI 
public void updateUI()
Notification from the UIFactory that the L&F has changed.

Overrides:
updateUI in class JToggleButton
See Also:
updateUI
o getUIClassID 
public String getUIClassID()
Returns a string that specifies the name of the L&F class that renders this component.

Returns:
String "RadioButtonUI"
Overrides:
getUIClassID in class JToggleButton
See Also:
getUIClassID, getUI
o getAccessibleRole 
public AccessibleRole getAccessibleRole()
Get the role of this object.

Returns:
an instance of AccessibleRole describing the role of the object
Overrides:
getAccessibleRole in class JToggleButton
See Also:
AccessibleRole
o getAccessibleActionDescription 
public String getAccessibleActionDescription(int i)
Return a description of the specified action of the object.

Parameters:
i - zero-based index of the actions
Returns:
a description of the action ("select")
Overrides:
getAccessibleActionDescription in class AbstractButton
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