Java JButtons在borderlayout中显示不正确，并且在向按钮添加actionListener时出现问题

对于相同的代码，我这里有两个问题，首先，出于某种原因，JButtons没有显示在当前配置的GUI上，但是代码正在运行（调试器确实显示在该代码行）。我似乎不明白问题出在哪里

我遇到的第二个问题是JButton.addActionListener（this）不喜欢工作，我需要actionListener在另一个类中触发事件，因此我无法执行匿名actionListener

代码如下：

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

public class PPP extends JFrame{  
    static digit atp_hundred = new digit();  //Amount to pay
    static digit atp_ten = new digit();
    static digit atp_unit = new digit();
    static digit atp_tenth = new digit();
    static digit atp_hundreth = new digit(); 
    static digit ltr_ten = new digit();     //Litres
    static digit ltr_unit = new digit();
    static digit ltr_tenth = new digit();
    static digit ppl_hundred = new digit(); //Pence per litre
    static digit ppl_ten = new digit();
    static digit ppl_unit = new digit();
    static digit ppl_tenth = new digit();
    static PPP frame = new PPP();   

    public static void init() {           
        frame.setSize(1280,800);
        frame.setLayout(new BorderLayout());
        JPanel mainPanel = new mainPanel();
        mainPanel.setLayout(new GridLayout(2,2));
        frame.getContentPane().add(mainPanel);
        frame.addWindowListener(new java.awt.event.WindowAdapter() {
                public void windowClosing(java.awt.event.WindowEvent windowEvent) {
                    System.exit(0);
                }
            });
        frame.setVisible(true);
    }

    public static void main(String arg[]){
        init();
        while (true) {
            for (int i = 0; i < 10; i++) {
                atp_hundred.value = i;
                atp_hundred.update();
                frame.getContentPane().repaint();
                try {
                    Thread.sleep(1000);
                } catch (Exception e) {
                }
                frame.getContentPane().repaint();
                try {
                    Thread.sleep(10);
                } catch (Exception e) {
                }
            }
        }
    }

    public void refresh() {
        repaint();
    }

    public PPP(){
        super();
    }

    /*public void update(Graphics g) {
    paint(g);
    }*/

    public static void atpCreate(Graphics g, int x, int y) {
        atp_hundred.create(x, y);
        drawPolygons(g, atp_hundred);
        atp_ten.create(x+50,y);
        drawPolygons(g, atp_ten);
        atp_unit.create(x+100, y);
        drawPolygons(g, atp_unit);
        g.drawOval(x+145, y+60, 10,10);
        atp_tenth.create(x+160, y);
        drawPolygons(g, atp_tenth);
    }

    public static void ltrCreate(Graphics g, int x, int y) {
        ltr_ten.create(x+50, y);
        drawPolygons(g, ltr_ten);
        ltr_unit.create(x+100, y);
        drawPolygons(g, ltr_unit);
        g.drawOval(x+145, y+60, 10, 10);
        ltr_tenth.create(x+160, y);
        drawPolygons(g, ltr_tenth);
    }

    public static void pplCreate(Graphics g, int x, int y) {
        ppl_hundred.create(x, y);
        drawPolygons(g, ppl_hundred);
        ppl_ten.create(x+50,y);
        drawPolygons(g, ppl_ten);
        ppl_unit.create(x+100, y);
        drawPolygons(g, ppl_unit);
        g.drawOval(x+145, y+60, 10,10);
        ppl_tenth.create(x+160, y);
        drawPolygons(g, ppl_tenth);
    }

    public static void drawPolygons(Graphics g, digit d) {
        if (d.top) {
            g.setColor(Color.green);
            g.fillPolygon(d.ptop);
        } else {
            g.setColor(Color.black);
            g.drawPolygon(d.ptop);
        }
        if (d.topleft) {
            g.setColor(Color.green);
            g.fillPolygon(d.ptopleft);
        } else {
            g.setColor(Color.black);
            g.drawPolygon(d.ptopleft);
        }
        if (d.topright) {
            g.setColor(Color.green);
            g.fillPolygon(d.ptopright);
        } else {
            g.setColor(Color.black);
            g.drawPolygon(d.ptopright);
        }
        if (d.mid) {
            g.setColor(Color.green);
            g.fillPolygon(d.pmid);
        } else {
            g.setColor(Color.black);
            g.drawPolygon(d.pmid);
        }
        if (d.botleft) {
            g.setColor(Color.green);
            g.fillPolygon(d.pbotleft);
        } else {
            g.setColor(Color.black);
            g.drawPolygon(d.pbotleft);
        }
        if (d.botright) {
            g.setColor(Color.green);
            g.fillPolygon(d.pbotright);
        } else {
            g.setColor(Color.black);
            g.drawPolygon(d.pbotright);
        }
        if (d.bot) {
            g.setColor(Color.green);
            g.fillPolygon(d.pbot);
        } else {
            g.setColor(Color.black);
            g.drawPolygon(d.pbot);
        }  
        g.setColor(Color.black);
    }
}
class mainPanel extends JPanel {
    public mainPanel() {
        setPreferredSize(new Dimension(1280,800));
        JPanel customerPanel = new customerPanel();
        customerPanel.setLayout(new BorderLayout());
        add(customerPanel);
        //add(new customerButtons());
    }

    @Override
    public void paintComponent(Graphics g) {
        super.paintComponent(g);
        g.setFont(new Font("Copperplate Gothic Light", Font.PLAIN, 30));
        String title = "Pete's Petrol Pump Simulation vAlpha0.1";
        g.setColor(Color.white);
        //g.clearRect(0,0,640,500);
        g.setColor(Color.black);
        g.drawString(title, (int)(640 - (g.getFontMetrics().getStringBounds(title, g).getWidth() / 2)), 75);
    }
}
class customerPanel extends JPanel {
    public customerPanel() {
        //setPreferredSize(new Dimension(640,500));
        //setPreferredSize(new Dimension(500,800));
        customerButtons buttons = new customerButtons();
        add(buttons, BorderLayout.SOUTH);
    }

    @Override
    public void paintComponent(Graphics g){
        //super.paintComponent(g);
        /*g.setFont(new Font("Copperplate Gothic Light", Font.PLAIN, 30));
        String title = "Pete's Petrol Pump Simulation vAlpha0.1";
        g.setColor(Color.white);
        g.clearRect(0,0,640,500);
        g.setColor(Color.black);
        g.drawString(title, (int)(640 - (g.getFontMetrics().getStringBounds(title, g).getWidth() / 2)), 75);*/
        g.drawRoundRect(20,100,600,250,5,5);
        g.setFont(new Font("Gill Sans MT", Font.PLAIN, 20));
        g.drawString("Amount to Pay: ", 40, 160);
        PPP.atpCreate(g, 200, 110);
        g.drawString("Litres Dispensed: ", 40, 240);
        PPP.ltrCreate(g, 200, 190);
        g.drawString("Pence per Litre: ", 40, 320);
        PPP.pplCreate(g, 200, 270);
        //System.out.println((g.getFontMetrics().getStringBounds("Amount to Pay", g).getWidth()));
    }
}
class customerButtons extends JPanel {
    public customerButtons() {
        JButton remove = new JButton("Remove nozzle");
        remove.setActionCommand("remove");
        //System.out.println("Hello");
        remove.addActionListener(this);
        remove.setToolTipText("Replace the fucking nozzle");
        JButton squeeze = new JButton("Squeeze nozzle");
        squeeze.setActionCommand("squeeze");
        squeeze.addActionListener(this);
        squeeze.setToolTipText("Squeeze the fucking nozzle");
        JButton stop = new JButton("Stop Squeeze");
        stop.setActionCommand("stop");
        stop.addActionListener(this);
        stop.setToolTipText("Stop squeezing the fucking nozzle");
        JButton replace = new JButton("Replace nozzle");
        replace.setActionCommand("replace");
        replace.addActionListener(this);
        replace.setToolTipText("Replace the fucking nozzle");
        add(remove);
        add(squeeze);
        add(stop);
        add(replace);

    }
}

class digit {
    int value = 0;
    boolean top = false;
    boolean topleft = false;
    boolean topright = false;
    boolean mid = false;
    boolean botleft = false;
    boolean botright = false;
    boolean bot = false;
    public void update() {
        switch(value) {
            case 0: top = true;
            topleft = true;
            topright = true;
            mid = false;
            botleft = true;
            botright = true;
            bot = true;
            break;
            case 1: top = false;
            topleft = false;
            topright = true;
            mid = false;
            botleft = false;
            botright = true;
            bot = false;
            break;
            case 2: top = true;
            topleft = false;
            topright = true;
            mid = true;
            botleft = true;
            botright = false;
            bot = true;
            break;
            case 3: top = true;
            topleft = false;
            topright = true;
            mid = true;
            botleft = false;
            botright = true;
            bot = true;
            break;
            case 4: top = false;
            topleft = true;
            topright = true;
            mid = true;
            botleft = false;
            botright = true;
            bot = false;
            break;
            case 5: top = true;
            topleft = true;
            topright = false;
            mid = true;
            botleft = false;
            botright = true;
            bot = true;
            break;
            case 6: top = true;
            topleft = true;
            topright = false;
            mid = true;
            botleft = true;
            botright = true;
            bot = true;
            break;
            case 7: top = true;
            topleft = false;
            topright = true;
            mid = false;
            botleft = false;
            botright = true;
            bot = false;
            break;
            case 8: top = true;
            topleft = true;
            topright = true;
            mid = true;
            botleft = true;
            botright = true;
            bot = true;
            break;
            case 9: top = true;
            topleft = true;
            topright = true;
            mid = true;
            botleft = false;
            botright = true;
            bot = true;
            break;                    
        }
    }
    Polygon ptop = new Polygon();
    Polygon ptopleft = new Polygon();
    Polygon ptopright = new Polygon();
    Polygon pmid = new Polygon();
    Polygon pbotleft = new Polygon();
    Polygon pbotright = new Polygon();
    Polygon pbot = new Polygon();
    public void create(int x, int y) {
        ptop.addPoint(x+10, y);
        ptop.addPoint(x+30, y);
        ptop.addPoint(x+35, y+5);
        ptop.addPoint(x+30, y+10);
        ptop.addPoint(x+10, y+10);
        ptop.addPoint(x+5, y+5);
        ptopleft.addPoint(x+5, y+5);
        ptopleft.addPoint(x+10, y+10);
        ptopleft.addPoint(x+10, y+30);
        ptopleft.addPoint(x+5, y+35);
        ptopleft.addPoint(x, y+30);
        ptopleft.addPoint(x, y+10);   
        ptopright.addPoint(x+35, y+5);
        ptopright.addPoint(x+40, y+10);
        ptopright.addPoint(x+40, y+30);
        ptopright.addPoint(x+35, y+35);
        ptopright.addPoint(x+30, y+30);
        ptopright.addPoint(x+30, y+10);     
        pmid.addPoint(x+10, y+30);
        pmid.addPoint(x+30, y+30);
        pmid.addPoint(x+35, y+35);
        pmid.addPoint(x+30, y+40);
        pmid.addPoint(x+10, y+40);
        pmid.addPoint(x+5, y+35);  
        pbotleft.addPoint(x+5, y+35);
        pbotleft.addPoint(x+10, y+40);
        pbotleft.addPoint(x+10, y+60);
        pbotleft.addPoint(x+5, y+65);
        pbotleft.addPoint(x, y+60);
        pbotleft.addPoint(x, y+40);
        pbotright.addPoint(x+35, y+35);
        pbotright.addPoint(x+40, y+40);
        pbotright.addPoint(x+40, y+60);
        pbotright.addPoint(x+35, y+65);
        pbotright.addPoint(x+30, y+60);
        pbotright.addPoint(x+30, y+40);            
        pbot.addPoint(x+10, y+60);
        pbot.addPoint(x+30, y+60);
        pbot.addPoint(x+35, y+65);
        pbot.addPoint(x+30, y+70);
        pbot.addPoint(x+10, y+70);
        pbot.addPoint(x+5, y+65);          
    }
}

import java.awt.*；
导入java.awt.event.*；
导入javax.swing.*；
公共类PPP扩展了JFrame{
静态数字atp_一百=新数字（）；//支付金额
静态数字atp_十=新数字（）；
静态数字atp_单位=新数字（）；
静态数字atp_第十位=新数字（）；
静态数字atp_百分位=新数字（）；
静态数字ltr_ten=新数字（）；//升
静态数字ltr_单位=新数字（）；
静态数字ltr_第十位=新数字（）；
静态数字ppl_一百=新数字（）；//每升便士
静态数字ppl_十=新数字（）；
静态数字ppl_单位=新数字（）；
静态数字ppl_第十位=新数字（）；
静态PPP帧=新PPP（）；
公共静态void init（）{
帧设置大小（1280800）；
frame.setLayout（新的BorderLayout（））；
JPanel mainPanel=新的mainPanel（）；
主面板设置布局（新网格布局（2,2））；
frame.getContentPane（）.add（主面板）；
frame.addWindowListener（新java.awt.event.WindowAdapter（）{
公共无效窗口关闭（java.awt.event.WindowEvent）{
系统出口（0）；
}
});
frame.setVisible（true）；
}
公共静态void main（字符串arg[]）{
init（）；
while（true）{
对于（int i=0；i<10；i++）{
atp_100.value=i；
atp_100.update（）；
frame.getContentPane（）.repaint（）；
试一试{
睡眠（1000）；
}捕获（例外e）{
}
frame.getContentPane（）.repaint（）；
试一试{
睡眠（10）；
}捕获（例外e）{
}
}
}
}
公共无效刷新（）{
重新油漆（）；
}
公共购买力平价（）{
超级（）；
}
/*公共空间更新（图g）{
油漆（g）；
}*/
公共静态无效atpCreate（图形g、整数x、整数y）{
创建（x，y）；
绘图多边形（g，atp_100）；
创建（x+50，y）；
绘制多边形（g，atp__十）；
atp_单位创建（x+100，y）；
牵引装置（g、atp_装置）；
g、 牵引椭圆（x+145，y+60，10,10）；
创建（x+160，y）；
绘制多边形（g，atp_）；
}
公共静态void ltrCreate（图形g、整数x、整数y）{
创建（x+50，y）；
绘图多边形（g、ltr__en）；
ltr_单位创建（x+100，y）；
绘图多边形（g，ltr_单位）；
g、 牵引椭圆（x+145，y+60，10，10）；
ltr_.创建（x+160，y）；
绘制多边形（g，第10层）；
}
公共静态无效pplCreate（图形g、整数x、整数y）{
创建（x，y）；
（g，ppl_100）；
ppl_十。创建（x+50，y）；
绘制多边形（g，ppl_十）；
ppl_单位。创建（x+100，y）；
绘图多边形（g，ppl_单位）；
g、 牵引椭圆（x+145，y+60，10,10）；
ppl_第十个。创建（x+160，y）；
（g，ppl_）；
}
公共静态空心多边形（图形g，数字d）{
如果（d.顶部）{
g、 setColor（Color.green）；
g、 填充多边形（d.ptop）；
}否则{
g、 设置颜色（颜色为黑色）；
g、 牵引多边形（d.ptop）；
}
如果（d.左上角）{
g、 setColor（Color.green）；
g、 填充多边形（d.ptopleft）；
}否则{
g、 设置颜色（颜色为黑色）；
g、 绘制多边形（d.ptopleft）；
}
如果（右上角）{
g、 setColor（Color.green）；
g、 填充多边形（d.ptopright）；
}否则{
g、 设置颜色（颜色为黑色）；
g、 绘制多边形（d.ptopright）；
}
如果（d.mid）{
g、 setColor（Color.green）；
g、 填充多边形（d.pmid）；
}否则{
g、 设置颜色（颜色为黑色）；
g、 绘制多边形（d.pmid）；
}
if（d.botleft）{
g、 setColor（Color.green）；
g、 填充多边形（d.pbotleft）；
}否则{
g、 设置颜色（颜色为黑色）；
g、 drawPolygon（d.pbotleft）；
}
if（d.botright）{
g、 setColor（Color.green）；
g、 填充多边形（d.pbotright）；
}否则{
g、 设置颜色（颜色为黑色）；
g、 绘制多边形（d.pbotright）；
}
如果（d.bot）{
g、 setColor（Color.green）；
g、 填充多边形（d.pbot）；
}否则{
g、 设置颜色（颜色为黑色）；
g、 牵引多边形（d.pbot）；
}  
g、 设置颜色（颜色为黑色）；
}
}
类主面板扩展了JPanel{
公共主面板（）{
设置首选尺寸（新尺寸（1280800））；
JPanel customerPanel=新的customerPanel（）；
setLayout（新的BorderLayout（））；
添加（customerPanel）；
//添加（新的customerButtons（））；
}
@凌驾
公共组件（图形g）{
超级组件（g）；
g、 setFont（新字体（“铜版哥特式灯光”，字体为30号普通字体）；
字符串title=“皮特的汽油泵模拟vAlpha0.1”；
g、 setColor（Color.white）；
//g、 clearRect（0,0640500）；
g、 设置颜色（颜色为黑色）；
g、 drawString（title，（int）（640-（g.getFontMetrics（）.getStringBounds（title，g.getWidth（）/2）），75）；
}
}
类customerPanel扩展了JPanel{
公共客户面板（）{
//setPreferredSize（新尺寸（640500））；
//设置首选大小（ne）
import java.awt.*;
import java.awt.event.*;

import javax.swing.*;

public class PPP extends JFrame{  
    static digit atp_hundred = new digit();  //Amount to pay
    static digit atp_ten = new digit();
    static digit atp_unit = new digit();
    static digit atp_tenth = new digit();
    static digit atp_hundreth = new digit(); 
    static digit ltr_ten = new digit();     //Litres
    static digit ltr_unit = new digit();
    static digit ltr_tenth = new digit();
    static digit ppl_hundred = new digit(); //Pence per litre
    static digit ppl_ten = new digit();
    static digit ppl_unit = new digit();
    static digit ppl_tenth = new digit();
    static PPP frame = new PPP();   

    public static void init() {           
        frame.setSize(1280,800);
        frame.setLayout(new BorderLayout());
        JPanel mainPanel = new mainPanel();
        mainPanel.setLayout(new GridLayout(2,2));
        frame.getContentPane().add(mainPanel);
        frame.addWindowListener(new java.awt.event.WindowAdapter() {
                public void windowClosing(java.awt.event.WindowEvent windowEvent) {
                    System.exit(0);
                }
            });
        frame.setVisible(true);
    }

    public static void main(String arg[]){
        init();
        while (true) {
            for (int i = 0; i < 10; i++) {
                atp_hundred.value = i;
                atp_hundred.update();
                frame.getContentPane().repaint();
                try {
                    Thread.sleep(1000);
                } catch (Exception e) {
                }
                frame.getContentPane().repaint();
                try {
                    Thread.sleep(10);
                } catch (Exception e) {
                }
            }
        }
    }

    public void refresh() {
        repaint();
    }

    public PPP(){
        super();
    }

    /*public void update(Graphics g) {
    paint(g);
    }*/

    public static void atpCreate(Graphics g, int x, int y) {
        atp_hundred.create(x, y);
        drawPolygons(g, atp_hundred);
        atp_ten.create(x+50,y);
        drawPolygons(g, atp_ten);
        atp_unit.create(x+100, y);
        drawPolygons(g, atp_unit);
        g.drawOval(x+145, y+60, 10,10);
        atp_tenth.create(x+160, y);
        drawPolygons(g, atp_tenth);
    }

    public static void ltrCreate(Graphics g, int x, int y) {
        ltr_ten.create(x+50, y);
        drawPolygons(g, ltr_ten);
        ltr_unit.create(x+100, y);
        drawPolygons(g, ltr_unit);
        g.drawOval(x+145, y+60, 10, 10);
        ltr_tenth.create(x+160, y);
        drawPolygons(g, ltr_tenth);
    }

    public static void pplCreate(Graphics g, int x, int y) {
        ppl_hundred.create(x, y);
        drawPolygons(g, ppl_hundred);
        ppl_ten.create(x+50,y);
        drawPolygons(g, ppl_ten);
        ppl_unit.create(x+100, y);
        drawPolygons(g, ppl_unit);
        g.drawOval(x+145, y+60, 10,10);
        ppl_tenth.create(x+160, y);
        drawPolygons(g, ppl_tenth);
    }

    public static void drawPolygons(Graphics g, digit d) {
        if (d.top) {
            g.setColor(Color.green);
            g.fillPolygon(d.ptop);
        } else {
            g.setColor(Color.black);
            g.drawPolygon(d.ptop);
        }
        if (d.topleft) {
            g.setColor(Color.green);
            g.fillPolygon(d.ptopleft);
        } else {
            g.setColor(Color.black);
            g.drawPolygon(d.ptopleft);
        }
        if (d.topright) {
            g.setColor(Color.green);
            g.fillPolygon(d.ptopright);
        } else {
            g.setColor(Color.black);
            g.drawPolygon(d.ptopright);
        }
        if (d.mid) {
            g.setColor(Color.green);
            g.fillPolygon(d.pmid);
        } else {
            g.setColor(Color.black);
            g.drawPolygon(d.pmid);
        }
        if (d.botleft) {
            g.setColor(Color.green);
            g.fillPolygon(d.pbotleft);
        } else {
            g.setColor(Color.black);
            g.drawPolygon(d.pbotleft);
        }
        if (d.botright) {
            g.setColor(Color.green);
            g.fillPolygon(d.pbotright);
        } else {
            g.setColor(Color.black);
            g.drawPolygon(d.pbotright);
        }
        if (d.bot) {
            g.setColor(Color.green);
            g.fillPolygon(d.pbot);
        } else {
            g.setColor(Color.black);
            g.drawPolygon(d.pbot);
        }  
        g.setColor(Color.black);
    }
}
class mainPanel extends JPanel {
    public mainPanel() {
        setPreferredSize(new Dimension(1280,800));
        JPanel customerPanel = new customerPanel();

        add(customerPanel);
        //add(new customerButtons());
    }

    @Override
    public void paintComponent(Graphics g) {
        super.paintComponent(g);
        g.setFont(new Font("Copperplate Gothic Light", Font.PLAIN, 30));
        String title = "Pete's Petrol Pump Simulation vAlpha0.1";
        g.setColor(Color.white);
        //g.clearRect(0,0,640,500);
        g.setColor(Color.black);
        g.drawString(title, (int)(640 - (g.getFontMetrics().getStringBounds(title, g).getWidth() / 2)), 75);
    }
}
class customerPanel extends JPanel {
    public customerPanel() {
        //setPreferredSize(new Dimension(640,500));
        //setPreferredSize(new Dimension(500,800));
        setLayout(new BorderLayout());
        customerButtons buttons = new customerButtons();
        add(buttons, BorderLayout.SOUTH);
    }

    @Override
    public void paintComponent(Graphics g){
        //super.paintComponent(g);
        /*g.setFont(new Font("Copperplate Gothic Light", Font.PLAIN, 30));
        String title = "Pete's Petrol Pump Simulation vAlpha0.1";
        g.setColor(Color.white);
        g.clearRect(0,0,640,500);
        g.setColor(Color.black);
        g.drawString(title, (int)(640 - (g.getFontMetrics().getStringBounds(title, g).getWidth() / 2)), 75);*/
        g.drawRoundRect(20,100,600,250,5,5);
        g.setFont(new Font("Gill Sans MT", Font.PLAIN, 20));
        g.drawString("Amount to Pay: ", 40, 160);
        PPP.atpCreate(g, 200, 110);
        g.drawString("Litres Dispensed: ", 40, 240);
        PPP.ltrCreate(g, 200, 190);
        g.drawString("Pence per Litre: ", 40, 320);
        PPP.pplCreate(g, 200, 270);
        //System.out.println((g.getFontMetrics().getStringBounds("Amount to Pay", g).getWidth()));
    }
}
class customerButtons extends JPanel implements ActionListener {
    public customerButtons() {
        JButton remove = new JButton("Remove nozzle");
        remove.setActionCommand("remove");
        //System.out.println("Hello");
        remove.addActionListener(this);
        remove.setToolTipText("Replace the fucking nozzle");
        JButton squeeze = new JButton("Squeeze nozzle");
        squeeze.setActionCommand("squeeze");
        squeeze.addActionListener(this);
        squeeze.setToolTipText("Squeeze the fucking nozzle");
        JButton stop = new JButton("Stop Squeeze");
        stop.setActionCommand("stop");
        stop.addActionListener(this);
        stop.setToolTipText("Stop squeezing the fucking nozzle");
        JButton replace = new JButton("Replace nozzle");
        replace.setActionCommand("replace");
        replace.addActionListener(this);
        replace.setToolTipText("Replace the fucking nozzle");
        add(remove);
        add(squeeze);
        add(stop);
        add(replace);

    }

    public void actionPerformed(ActionEvent e) {
        // do your stuff here

    }
}

class digit {
    int value = 0;
    boolean top = false;
    boolean topleft = false;
    boolean topright = false;
    boolean mid = false;
    boolean botleft = false;
    boolean botright = false;
    boolean bot = false;
    public void update() {
        switch(value) {
            case 0: top = true;
            topleft = true;
            topright = true;
            mid = false;
            botleft = true;
            botright = true;
            bot = true;
            break;
            case 1: top = false;
            topleft = false;
            topright = true;
            mid = false;
            botleft = false;
            botright = true;
            bot = false;
            break;
            case 2: top = true;
            topleft = false;
            topright = true;
            mid = true;
            botleft = true;
            botright = false;
            bot = true;
            break;
            case 3: top = true;
            topleft = false;
            topright = true;
            mid = true;
            botleft = false;
            botright = true;
            bot = true;
            break;
            case 4: top = false;
            topleft = true;
            topright = true;
            mid = true;
            botleft = false;
            botright = true;
            bot = false;
            break;
            case 5: top = true;
            topleft = true;
            topright = false;
            mid = true;
            botleft = false;
            botright = true;
            bot = true;
            break;
            case 6: top = true;
            topleft = true;
            topright = false;
            mid = true;
            botleft = true;
            botright = true;
            bot = true;
            break;
            case 7: top = true;
            topleft = false;
            topright = true;
            mid = false;
            botleft = false;
            botright = true;
            bot = false;
            break;
            case 8: top = true;
            topleft = true;
            topright = true;
            mid = true;
            botleft = true;
            botright = true;
            bot = true;
            break;
            case 9: top = true;
            topleft = true;
            topright = true;
            mid = true;
            botleft = false;
            botright = true;
            bot = true;
            break;                    
        }
    }
    Polygon ptop = new Polygon();
    Polygon ptopleft = new Polygon();
    Polygon ptopright = new Polygon();
    Polygon pmid = new Polygon();
    Polygon pbotleft = new Polygon();
    Polygon pbotright = new Polygon();
    Polygon pbot = new Polygon();
    public void create(int x, int y) {
        ptop.addPoint(x+10, y);
        ptop.addPoint(x+30, y);
        ptop.addPoint(x+35, y+5);
        ptop.addPoint(x+30, y+10);
        ptop.addPoint(x+10, y+10);
        ptop.addPoint(x+5, y+5);
        ptopleft.addPoint(x+5, y+5);
        ptopleft.addPoint(x+10, y+10);
        ptopleft.addPoint(x+10, y+30);
        ptopleft.addPoint(x+5, y+35);
        ptopleft.addPoint(x, y+30);
        ptopleft.addPoint(x, y+10);   
        ptopright.addPoint(x+35, y+5);
        ptopright.addPoint(x+40, y+10);
        ptopright.addPoint(x+40, y+30);
        ptopright.addPoint(x+35, y+35);
        ptopright.addPoint(x+30, y+30);
        ptopright.addPoint(x+30, y+10);     
        pmid.addPoint(x+10, y+30);
        pmid.addPoint(x+30, y+30);
        pmid.addPoint(x+35, y+35);
        pmid.addPoint(x+30, y+40);
        pmid.addPoint(x+10, y+40);
        pmid.addPoint(x+5, y+35);  
        pbotleft.addPoint(x+5, y+35);
        pbotleft.addPoint(x+10, y+40);
        pbotleft.addPoint(x+10, y+60);
        pbotleft.addPoint(x+5, y+65);
        pbotleft.addPoint(x, y+60);
        pbotleft.addPoint(x, y+40);
        pbotright.addPoint(x+35, y+35);
        pbotright.addPoint(x+40, y+40);
        pbotright.addPoint(x+40, y+60);
        pbotright.addPoint(x+35, y+65);
        pbotright.addPoint(x+30, y+60);
        pbotright.addPoint(x+30, y+40);            
        pbot.addPoint(x+10, y+60);
        pbot.addPoint(x+30, y+60);
        pbot.addPoint(x+35, y+65);
        pbot.addPoint(x+30, y+70);
        pbot.addPoint(x+10, y+70);
        pbot.addPoint(x+5, y+65);          
    }
}