CardLayout in Java change by action in one of the 'cards'

Question

I am making a simple game using a JFrame. I have made a simple \"Start\" screen which basically consists of a String and a JButton. I

Answer 1

Your StartScreen class has to have access to the instance of the CardLayout of the JFrame and the instance of the VirusGamePanel class. You can pass these instances in the constructor or a setLayout method and setVirusGamePanel method of your StartScreen class.

Something like:

layout.next(virusGamePanel);

should work.