FrameRelativo.java_

package arbol1;

import javax.swing.UIManager;
import java.awt.*;

/**
 * Descripcion:  
 * Copyright:    Copyright (c) 2002
 * Empresa:      SID - FIE - UMSNH
 * @author J. Rafael R. Ochoa
 * @version 1.0
 */

public class Aplicacion1
{
  boolean packFrame = false;

  public Aplicacion1()
  {
    Marco1 frame = new Marco1();
    if (packFrame)
    {
      frame.pack();
    }
    else
    {
      frame.validate();
    }
    //Centrar la ventana
    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);
  }
  public static void main(String[] args)
  {
    try
    {
      UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
    }
    catch(Exception e)
    {
      e.printStackTrace();
    }
    new Aplicacion1();
  }
}