package xyandgridbaglayout;import java.awt.*;import java.awt.event.*;import javax.swing.*;import com.borland.jbcl.layout.*;public class Frame1 extends JFrame {  JPanel contentPane;  Button button1 = new Button();  Button button2 = new Button();  Button button3 = new Button();  Button button4 = new Button();  Button button5 = new Button();  XYLayout xYLayout1 = new XYLayout();  /**Construct the frame*/  public Frame1() {    enableEvents(AWTEvent.WINDOW_EVENT_MASK);    try {      jbInit();    }    catch(Exception e) {      e.printStackTrace();    }  }  /**Component initialization*/  private void jbInit() throws Exception  {    //setIconImage(Toolkit.getDefaultToolkit().createImage(Frame1.class.getResource("[Your Icon]")));    contentPane = (JPanel) this.getContentPane();    button1.setLabel("button1");    contentPane.setLayout(xYLayout1);    this.setSize(new Dimension(363, 262));    this.setTitle("XYLayout、GridBagLayout演示程序");    button2.setLabel("button2");    button3.setLabel("button3");    button4.setLabel("button4");    button5.setLabel("button5");    contentPane.add(button1,  new XYConstraints(22, 29, 198, 54));    contentPane.add(button2,  new XYConstraints(7, 92, 79, 146));    contentPane.add(button3,  new XYConstraints(103, 97, 215, 20));    contentPane.add(button4,  new XYConstraints(230, 15, 127, 67));    contentPane.add(button5,  new XYConstraints(93, 131, 265, 106));  }  /**Overridden so we can exit when window is closed*/  protected void processWindowEvent(WindowEvent e) {    super.processWindowEvent(e);    if (e.getID() == WindowEvent.WINDOW_CLOSING) {      System.exit(0);    }  }}