J#-标题图片

package titleicon;

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

class MyFrame extends JFrame
{
public MyFrame()
{
setTitle("窗口图标");
setSize(400,300);
setLocation(260,150);
setDefaultCloseOperation(3);

Toolkit tk = Toolkit.getDefaultToolkit();
Image img = tk.createImage("person.gif");
this.setIconImage(img);
}
}
public class MyDemo
{
public static void main(String args[])
{
new MyFrame().show();
}
}