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How to add child nodes dynamically in JTree

 
Greenhorn
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I'm in the process to develop a Tree that would display all the directories and subdirectories which are selected.
For eg., Directory "A" contains "B" which contains "C".
If the user selects "A", then the tree must be shown as
A
|
-B
|
-C
How this can be done at runtime?
TIA,
Sathis MR
 
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