title: Back button that will open main Stage in Javafx 2
body: <p>I have 2 screens in application. First screen(MainController class) which opens with running application from Eclipse.</p>
  
  <p>And second screen(SecondController class) which opens on button located in first screen. </p>
  
  <p>How can I make some kind of 'Back' button in second screen which will show back first screen?</p>
  
  <p>I'm creating the visual part of the application in JavaFX Scene Builder if it matters.</p>