title: Java GUI Game Menu
body: <p>I'm trying to work on a project - we are creating a little game with a GUI.
  I decided to start by working on a 'main menu'. Essentially, there will be buttons such as "Single Player", "Help", etc...</p>
  
  <p>I've made the GUI with the menu, etc. I have added listeners as well. </p>
  
  <p>How do I approach the problem now? If someone clicks, say, 'Single Player', I'd like the screen to change to display a title showing "SINGLE PLAYER" and get rid of the main menu. 
  What do I need to do in my <code>actionPerformed()</code> method to get this effect?</p>
  
  <p>I guess I will be able to work it out from there. </p>
  
  <p>Any help would be greatly appreciated.</p>