transform402.java

输入一个正则表达式

 package reg402;

import java.awt.Toolkit;
import javax.swing.SwingUtilities;
import javax.swing.UIManager;
import java.awt.Dimension;


public class Transform402{
  boolean packFrame = false;

  /**
   * Construct and show the application.
   */
  public Transform402() {
    TransformFrame frame = new TransformFrame();
    // 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();
    }

    // 窗口居中显示
    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);
  }

  /**
   * Application entry point.
   *
   * @param args String[]
   */
  public static void main(String[] args) {
    SwingUtilities.invokeLater(new Runnable() {
      public void run() {
        try {
            //设置显示风格为windows风格
           // UIManager.setLookAndFeel("com.sun.java.swing.plaf.motif.MotifLookAndFeel") ;
            UIManager.setLookAndFeel("javax.swing.plaf.metal.MetalLookAndFeel") ;
           // UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
        }
        catch (Exception exception) {
          exception.printStackTrace();
        }
        //弹出一个窗口
        new Transform402();
      }
    });
  }
}