H to generate popwindow in core java

hi friends,
i faced some proble in core java.h to create pop up window like in VB.
with in the pop ,database fields should disply with jtable. when i click any one of the row.the text with in that row should display in some other text boxe. plz send code if any body have.give some views on that.
ok bye.

Thank you for replay, may steps are same:
1. I have created Java Project With Existing Source
2. selected directory with code (not whole project but directory with java classes)
3. After that I have created UML Java Specific project and
4. Associated UML project with previous created java project
5. I have selected "Code Generation" check box
6. Classes from java project were reversed into UML model.
7. After that I have created new class in java project.
And there is no Generate code action in this class context menu, also this class do not appeared in code automatically.
From UML project properties it is shown that UML project is associated with proper java project)
Same is with Java Application project associated with UML java project.
Documentation do not talks more about this. Only same steps. It looks like code generation should be working but it isn't. I'm I only one who face this problem, or do smth wrong?

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