What packages have you imported? You use JPCT the same way.
So I think I saw in a another post you said you installed NetBeans? You need to try to get the demos that come with JPCT compiling and running: the car demo and the FPS demo. I don't use NetBeans, but basically you need to create a project and add the source files for one of the demos. You need to configure your project -- however that's done in NetBeans -- so that it includes the necessary .jar files for JPCT and LWJGL. Try to do that much and ask a
specific question if you get stuck. (By specific I mean something like: What modes does FrameBuffer.enableRenderer() support?)
Once you get the demos working, look at their code and try messing around with making other objects show up or modifying them in some way.
Have a good long read of
http://www.jpct.net/doc/ You'll be using those classes to get anything done with JPCT.