import java.applet.*;
import java.awt.*;
import java.awt.event.*;
public class Nol extends Applet implements ActionListener
{ Button button;
TextArea text;
public void init()
{ button=new Button("È·¶¨");
text =new TextArea(10,10);
add(button);add(text);
button.addActionListener(this);
}
public void actionPerformed(ActionEvent e)
{ if(e.getSource()==button)
{text.setText("È·¶¨");
}
}
}
import java.awt.*;
import java.awt.event.*;
public class Nol extends Applet implements ActionListener
{ Button button;
TextArea text;
public void init()
{ button=new Button("È·¶¨");
text =new TextArea(10,10);
add(button);add(text);
button.addActionListener(this);
}
public void actionPerformed(ActionEvent e)
{ if(e.getSource()==button)
{text.setText("È·¶¨");
}
}
}
函数名小写开头 实现接口方法