Question

Is there any way to create a custom component in swing. By custom I mean say right now I am able to create a circle and do actions like dragging it etc.

But now I also want that along with the circle a text label with its number is also present. Can we combine them into a new type of component where say we can do actions on it collectively?

If yes please give me pointers on how to do so.

Answer 1

Yes, just extend JComponent and handle painting and interaction however you want. If there is a component that already does most of what you want you could extend that class and tweak it slightly.

I would suggest reading some of the tutorials about how JComponent works:
http://download.oracle.com/javase/tutorial/uiswing/components/jcomponent.html

Here is a similar question but I am sure you can find more specific ones that have been asked once you get deeper into it.
How to create a custom Swing Component

The Swing tutorial as a whole if very useful to understand how other components work etc.
http://download.oracle.com/javase/tutorial/uiswing/components/index.html