Point out mistakes in my Concept(Container Contentpane)

Container is a class that is used to attach other components such as
ContentPane and again ContentPane is used to attach components such as
JPanel such that drawing is possible
My point is that am i wright with concept that both classes are used
to attach components
such that
Container(attach contentpane) -ContentPane(it attach jpanel)-JPanel
if this is the concept then good else tell me what is true concept i have also read
tutorial but still confusion
thanks in advance

Read up about JLayeredPane in the tutorial and you'll see that the content pane is one layer (the default layer for components) in heavy-weight containers like Frame and JFrame. JPanels do not have content panes. You add components directly to the JPanel, as opposed to getContentPane().add(component) like you do in frames.

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