Background Image in JPanel NetBeans GUI Builder
To Add Background Image in JPanel NetBeans GUI Builder :-
Right click on your project and add a new package, name it resources . ...
Add a JLabel to the Panel.
Hightlight the JLabel and go to the Properties pane on the right.
In the property that says icon click the ... ...
Choose External Image radio button.
Click the ... ...
Pick your Image and click OK.
Click Import to Project.