Hi, I am relatively new to JAVA. I would like to know if it is possible to created advanced Tree UI controls using JAVA. For example, a tree control with check boxes at the nodes is the kind of control I would like to create using JAVA(see attached). Also, would creation of such controls make the code platform specific or is this portable to say mac and unix platforms also. If this is possible, please could you point me to examples of code that could do this.