How to add an image to a JPanel?

Question

I have a JPanel to which I\'d like to add JPEG and PNG images that I generate on the fly.

All the examples I\'ve seen so far in the Swing Tutorials, specially in the

Answer 1

JPanel is almost always the wrong class to subclass. Why wouldn't you subclass JComponent?

There is a slight problem with ImageIcon in that the constructor blocks reading the image. Not really a problem when loading from the application jar, but maybe if you're potentially reading over a network connection. There's plenty of AWT-era examples of using MediaTracker, ImageObserver and friends, even in the JDK demos.