How to make a graph in Java using JGrapht?

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Java

Guys! I have a thesis and I am about to use JGrapht (downloaded from the internet.)
I have already a graph (logically). My problem is that I want to display that graph physically (as in the users can see the graph within a JPanel stored in a JScrollPane inside my Form. I cant post my code snippet because our program is kinda confidential (even a part of its code)

Sooo pls guys, help me how to achieve that (dispplaying a graph)..

I've tried searching from the internet but unfortunately, I failed to locate an answer for this.
A sampple code of at least 1 vertex to be display will do... PLSSSSSSSSSSSSSSSSSSSS :((