Sorry - my last statement of my problem wasn't too clear. I have all my panels and my CardLayout (as I originally wrote it), thus:
private CardLayout wholeScreen = new CardLayout();
mainPanel.add("Main", displayPanel);
mainPanel.add("Enquire", enquirePanel);
mainPanel.setSize(1200, 600);
getContentPane().add(wholeScreen);
wholeScreen.show(mainPanel, "Main");
It comes up with this error:
C:\myjava\TestClient.java:201: cannot resolve symbol
symbol : method add (java.awt.CardLayout)
location: class java.awt.Container
getContentPane().add(wholeScreen);
^
1 error
So how do I plug my CardLayout into my JFrame?