有import MyWindowListener; 这样的写法吗?各位大哥帮帮小女子呀,先谢啦!!!!
我的系统是win2000个人版,jdk1.4
程序如下:
import java.awt.*;
import javax.swing.*;
import java.awt.event.*;
import MyWindowListener;
public class mm extends JFrame{
public mm()
{ super("MyColor using colors");
setSize(300,80);
show();
}
public void paint(Graphics g)
{Color color=Color.black;
g.setColor(color);
g.fillRect(25,45,100,20);
g.drawString("RGB:"+color.getRed()+","+color.getGreen()+","+color.getBlue(),130,60);
}
public static void main(String[] args)
{ mm c=new mm();
c.addWindowListener(new MyWindowListener());
}
}
运行情况如下:
D:\Sun\jdk\bin>javac mm.java
mm.java:4: '.' expected
import MyWindowListener;
^
1 error
D:\Sun\jdk\bin>
这是为什么呢?没有MyWindowListener这个类吗请各位大哥帮忙!谢谢啦!!!!