🚀 go-pugleaf

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class ButtonEvent extends JFrame 
{
    JButton button=new JButton("click me");
    JTextArea textArea=new JTextArea(2,20);
    Container c;
    int clickCount=0;
    public ButtonEvent()
    {
        super("buttonevent java:press test");
        c=getContentPane();
        c.setLayout(new FlowLayout());
        c.add(button);
        c.add(textArea);
        setSize(300,120);
        setVisible(true);
        button.addActionListener(new ButtonListener());
    }
    class ButtonListner implements ActionListener
    {
         public void actionPerformed(ActionEvent e)
         {
            clickCount++;
            textArea.setText(clickCount+"times");
         }
     }
     public static void main(String args[])
    {
        ButtonEvent app=new ButtonEvent();
        app.addWindowListener(new MyWindowListener());
    }
}
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--------------------Configuration: j2sdk1.4.0 <Default>--------------------
D:\program files\Xinox Software\JCreator Pro\MyProjects\Point\ButtonEvent.java:19: cannot resolve symbol
symbol  : class ButtonListener  
location: class ButtonEvent
        button.addActionListener(new ButtonListener());
                                         ^
1 error

Process completed.
��ͬһ��Ŀ¼���Ѿ������ļ�MyWindowListener.java
3x

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