| 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.event | Provides for events fired by Swing components. | 
| javax.swing.plaf.basic | Provides user interface objects built according to the
Basic look and feel. | 
| Modifier and Type | Method and Description | 
|---|---|
| InternalFrameListener[] | JInternalFrame. getInternalFrameListeners()Returns an array of all the  InternalFrameListeners added
 to thisJInternalFramewithaddInternalFrameListener. | 
| Modifier and Type | Method and Description | 
|---|---|
| void | JInternalFrame. addInternalFrameListener(InternalFrameListener l)Adds the specified listener to receive internal
 frame events from this internal frame. | 
| void | JInternalFrame. removeInternalFrameListener(InternalFrameListener l)Removes the specified internal frame listener so that it no longer
 receives internal frame events from this internal frame. | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | InternalFrameAdapterAn abstract adapter class for receiving internal frame events. | 
| Modifier and Type | Class and Description | 
|---|---|
| protected class  | BasicInternalFrameUI.BasicInternalFrameListener | 
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