Can you please check your spelling? Also
Use Real Workds. It is quite hard to read your post.
For example:
As v click over cobo box
What does this mean? Are you talking about V, the character played by Hugo Weaving in "V for Vendetta"? Or what?
If you are using java.io.File, that has a method called listFiles (and some similar methods) with which you can list all files. You can then add those to a DefaultTableModel.