Good source for AWT and Swing principles

Question

Hi. I am starting to work with AWT and Swing in Java. I get some trouble sometimes, with things I don't understand.

Latest example: JPanel.getGraphics() returns null in some cases.

I would like a source where I can learn the principles and design of these API's, instead of just solving each problem at a time.

Any recommendations?

Thanks in advance!

Answer 1

There are some good suggestions on this other thread.