Here are 2 JPanel examples that every beginner must learn.
JPanel is a container which is a sub class of JComponent that stores other components in it. This can be added to any top-level container like JFrame and JDialog to group components. Like others this too can be customized.
- JPanel Example for Beginners
This example gives you a kickstart by convering the core methods of JPanel, that are the minimum basic. - Creating transparent JPanel easily
This tiny example lets you create semi transparent JPanel in swing.