www.pudn.com > mailbox.zip > Application.java

package mailbox; 
 
import javax.swing.UIManager; 
import java.awt.*; 
 
public class Application { 
  boolean packFrame = false; 
 
  /**Construct the application*/ 
  public Application() { 
    MainFrame frame = new MainFrame(); 
    //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("javax.swing.plaf.metal.MetalLookAndFeel"); 
    } 
    catch(Exception e) { 
      e.printStackTrace(); 
    } 
    new Application(); 
  } 
}