You could resort to absolute positioning, but in the event that the Panel is resized you may want to use a layout.
I'd suggest looking up the following in google--
Java class LayoutManager
--LayoutManager is really an interface, not a class... but nonetheless it will show you the multiple types of Layout Classes that implement the interface and will help you determine how you want your buttons to look on your Panel.
I Developed application in C# with crystal reports and created setup file in third party (Advance) Installer.When i installed my application on client system application is working but ...