Change contentpane of Frame after button clicked

Question

I want to be able to set a JFrame\'s contentpane after a button inside one of that frame\'s JPanels has been clicked.

My architecture consists of a controller which

Answer 1

Call revalidate, then repaint. This tells the layout managers to do their layouts of their components:

JPanel contentPane = (JPanel) frame.getContentPane();

contentPane.removeAll();
contentPane.add(panel);
contentPane.revalidate(); 
contentPane.repaint();

Better though if you just want to swap JPanels is to use a CardLayout and have it do the dirty work.