import java.awt.*;
import java.awt.event.*;
class MyButton extends Button{
Container con;
MyButton(){
this.con=con;
setVisible(true);
setSize(20,15);
}
}
class MyPanel extends Panel implements MouseListener{
GridLayout grid;
int i,j;
MyPanel(){
grid=new GridLayout(6,9);
setLayout(grid);
MyButton mybutton[][]=new MyButton[6][9];
for(i=0;i<6;i++)
for(j=0;j<9;j++){
mybutton[i][j]=new MyButton();
add(mybutton[i][j]);
mybutton[i][j].addMouseListener(this);
}
setSize(225,90);
setVisible(true);
}
public void mousePressed(MouseEvent e){
/*if(e.getSource()==mybutton[1][1])*/
{setBackground(Color.pink);
}
}
public void mouseReleased(MouseEvent e){}
public void mouseExited(MouseEvent e){}
public void mouseEntered(MouseEvent e){}
public void mouseClicked(MouseEvent e){
if(e.getClickCount()>=2)
{System.exit(1);
}
}
}
class MyFrame extends Frame{
MyPanel mypanel;
Label label;
MyFrame(String s){
super(s);
mypanel=new MyPanel();
label=new Label("Have a try,maybe you just have one chance,however,that's game!",Label.CENTER);
label.setSize(450,120);
label.setBackground(Color.pink);
Font font=new Font("default",Font.PLAIN+Font.ITALIC,15);
label.setFont(font);
setBounds(200,100,450,380);
add(label,BorderLayout.NORTH);
add(mypanel,BorderLayout.CENTER);
setVisible(true);
addWindowListener(new WindowAdapter(){
public void windowClosing(WindowEvent e){
System.exit(0);
}
});
}
public static void main(String args[]){
new MyFrame("Je t'amine");
}
}
请各位大神闲暇看一下，/*........*/老说是找不到符号，我在等号后面加上“”就能编译过，就是得不到那功能！

同学，你这个也太不规范了吧，没注释啊。
解决方法：把入口类放入一个新的class中，
class MyButton extends Button{
    Container con;
    MyButton(){
        this.con=con;
        setVisible(true);
        setSize(20,15);
        }
    }
class MyPanel extends Panel implements MouseListener{
    GridLayout grid;
    int i,j;
    MyPanel(){
        grid=new GridLayout(6,9);
        setLayout(grid);
        MyButton mybutton[][]=new MyButton[6][9];
        for(i=0;i<6;i++)
            for(j=0;j<9;j++){
                mybutton[i][j]=new MyButton();
                add(mybutton[i][j]);
                mybutton[i][j].addMouseListener(this);
                }
        setSize(225,90);
        setVisible(true);
        }
    public void mousePressed(MouseEvent e){
        /*if(e.getSource()==mybutton[1][1])*/
        {setBackground(Color.pink);
        }
        }
    public void mouseReleased(MouseEvent e){}
    public void mouseExited(MouseEvent e){}
    public void mouseEntered(MouseEvent e){}
    public void mouseClicked(MouseEvent e){
        if(e.getClickCount()>=2)
        {System.exit(1);
        }
        }
    }
class MyFrame extends Frame{
    MyPanel mypanel;
    Label label;
    MyFrame(String s){
        super(s);
        mypanel=new MyPanel();
        label=new Label("Have a try,maybe you just have one chance,however,that's game!",Label.CENTER);
        label.setSize(450,120);
        label.setBackground(Color.pink);
        Font font=new Font("default",Font.PLAIN+Font.ITALIC,15);
        label.setFont(font);
        setBounds(200,100,450,380);
        add(label,BorderLayout.NORTH);
        add(mypanel,BorderLayout.CENTER);
        setVisible(true);
        addWindowListener(new WindowAdapter(){
            public void windowClosing(WindowEvent e){
                System.exit(0);
                }
            });
        }
   
    }
class Enter{
    public static void main(String args[]){
        new MyFrame("Je t'amine");
        }
}
结果是这个么：

结果。

不好意思，我没说清楚，我是希望在    public void mousePressed(MouseEvent e){
         if(e.getSource()==mybutton[1][1])
         {setBackground(Color.pink);
         }
         }
产生监听事件，就是在按钮【1】【1】上点一下变粉红，可是在我电脑里却编译不过去，老说if(e.getSource()==mybutton[1][1])找不到符号

很烦恼啊，马上就要交作业了，请各路英雄帮帮忙，

MyButton[][] mybutton;
把这个放到全局变量去
mousePressed方法中调用不到 其他方法的局部变量的

版主真牛逼，令小弟恍然大悟，我会好好学习java,将来为别人答题解惑，但现在却是说nullpointerexception

会了，谢谢，太感谢了