A JPanel can itself contain JPanels.

Name: A JPanel can itself contain JPanels.
Brand: Quizplus
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Question

Quizplus · Accepted Answer

It is common to place GUI components into a JPanel and then place several JPanels into another JPanel. Each JPanel has its own layout manager allowing the programmer to specify in detail how components should appear. For instance, one JPanel might use a GridLayout and another a BoxLayout and then the two JPanels be placed in the NORTH and EAST sections of a JPanel using BorderLayout.

A JPanel Can Itself Contain JPanels