how paint method works in java like Pixel Location Width Height .?

[Sumit Kayat]

[Ulf Dittmer]

What, exactly, is your question? What do or don't you understand?

[Sumit Kayat]

I mean how Paint (Graphics g) Works ?
nd g.fillRect(int x ,int y width,height) too.
int x ,int y what are these nd where is (0,0) location starts on Screen ?

[Ulf Dittmer]

Work through this: http://docs.oracle.com/javase/tutorial/uiswing/painting/ and then read this: http://www.oracle.com/technetwork/java/painting-140037.html. I think that should answer many of your question, definitely the one about where (0,0) is.