| Package | Description | 
|---|---|
| javax.swing.plaf.basic | Provides user interface objects built according to the
Basic look and feel. | 
| javax.swing.tree | Provides classes and interfaces for dealing with
 javax.swing.JTree. | 
| Modifier and Type | Field and Description | 
|---|---|
| protected AbstractLayoutCache | BasicTreeUI. treeStateObject responsible for handling sizing and expanded issues. | 
| Modifier and Type | Method and Description | 
|---|---|
| protected AbstractLayoutCache | BasicTreeUI. createLayoutCache()Creates the object responsible for managing what is expanded, as
 well as the size of nodes. | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | FixedHeightLayoutCacheNOTE: This will become more open in a future release. | 
| class  | VariableHeightLayoutCacheNOTE: This will become more open in a future release. | 
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