code: private void setupWizard() {
  		setupComponents();
  		layoutComponents();
  
  		setMinimumSize(defaultminimumSize);
  
  		// Center on screen
  		Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
  		int xPosition = (screenSize.width / 2) - (defaultminimumSize.width / 2);
  		int yPosition = (screenSize.height / 2) - (defaultminimumSize.height / 2);
  		setLocation(xPosition, yPosition);
  
  		setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
  	}
docs: Sets up wizard upon construction.