| Package | Description | 
|---|---|
| javax.swing | Provides a set of "lightweight"
(all-Java language) components that,
to the maximum degree possible, work the same on all platforms. | 
| javax.swing.plaf.basic | Provides user interface objects built according to the
Basic look and feel. | 
| javax.swing.plaf.multi | Provides user interface objects that combine two or more look and feels. | 
| javax.swing.plaf.synth | 
      Synth is a skinnable look and feel in which all painting is
      delegated. | 
| Modifier and Type | Method and Description | 
|---|---|
| OptionPaneUI | JOptionPane. getUI()Returns the UI object which implements the L&F for this component. | 
| Modifier and Type | Method and Description | 
|---|---|
| void | JOptionPane. setUI(OptionPaneUI ui)Sets the UI object which implements the L&F for this component. | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | BasicOptionPaneUIProvides the basic look and feel for a  JOptionPane. | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | MultiOptionPaneUIA multiplexing UI used to combine  OptionPaneUIs. | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | SynthOptionPaneUIProvides the Synth L&F UI delegate for
  JOptionPane. | 
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