content: import javax.swing.UIManager;
  import java.awt.*;
  //import amzi.ls;
  
  public class AmziAirMain {
    boolean packFrame = false;
  
  
    /**Construct the application*/
    public AmziAirMain() {
      AmziAirFrame frame = new AmziAirFrame();
      //Validate frames that have preset sizes
      //Pack frames that have useful preferred size info, e.g. from their layout
      if (packFrame) {
        frame.pack();
      }
      else {
        frame.validate();
      }
      //Center the window
      Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
      Dimension frameSize = frame.getSize();
      if (frameSize.height > screenSize.height) {
        frameSize.height = screenSize.height;
      }
      if (frameSize.width > screenSize.width) {
        frameSize.width = screenSize.width;
      }
      frame.setLocation((screenSize.width - frameSize.width) / 2,
          (screenSize.height - frameSize.height) / 2);
      frame.setVisible(true);
    }
    /**Main method*/
    public static void main(String[] args) {
      try {
        UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
      }
      catch(Exception e) {
        e.printStackTrace();
      }
      new AmziAirMain();
    }
  }
  