Tree Component

[Ranjan Gupta]

I have to write a tree component in JAVA. Our company does not want to use Swing component. Kindly guide me how to write a tree component in java

[Cindy Glass]

You haven't explained anything about the needs or restrictions or what you are trying to do with this. However as a blind quess you could try something like:
Map m = Collections.synchronizedMap(new TreeMap(...));