J#-工具栏菜单

package sam;

import java.awt.*;
import javax.swing.*;
import java.awt.event.*;
import java.beans.PropertyChangeListener;

class MyFrame extends JFrame
{
    int width = 400;
    int height = 300;
    JPanel p = new JPanel();
    JToolBar tb = new JToolBar();
    JButton btnNew = new JButton(new ImageIcon("NEW.JPG"));
    JButton btnOpen = new JButton(new ImageIcon("OPEN.JPG"));
    JButton btnSave = new JButton(new ImageIcon("SAVE.JPG"));
    JButton btnCopy = new JButton(new ImageIcon("COPY.JPG"));
    JButton btnPaste = new JButton(new ImageIcon("PASTE.JPG"));
    public MyFrame()
    {
        this.setTitle("小程序");
        this.setSize(width,height);
        this.setLocationRelativeTo(null);
        this.setDefaultCloseOperation(3);
        
        tb.add(btnNew);
        tb.add(btnOpen);
        tb.add(btnSave);
        tb.addSeparator(new Dimension(5,1));
        tb.add(btnCopy);
        tb.add(btnPaste);
        
        p.setLayout(new BorderLayout());
        p.add(tb,"North");
        
        this.getContentPane().add(p);
        
    }
}
public class MyDemo
{
    public static void main(String args[])
    {
        new MyFrame().show();
    }
}