Java实例代码:投票计数器

import java.awt.*;
import java.awt.event.*;
import java.io.BufferedWriter;
import java.io.FileWriter;
import java.io.IOException;
import javax.swing.*;
public class ElectToo extends JFrame implements ActionListener,ItemListener
{
 static ElectToo frm=new ElectToo();
 static Save sa=new Save();
 static JLabel lab1=new JLabel("总人数:");
 static JLabel lab2=new JLabel("最高票数选手:");
 static JLabel lab3=new JLabel("最高票数:");
 static JDialog dg=new JDialog();
 static JLabel lab4=new JLabel();
 static JLabel lab5=new JLabel();
 static JLabel lab6=new JLabel();
 static JLabel lab7=new JLabel();
 static JLabel lab8=new JLabel();
 static JLabel lab9=new JLabel();
 static JLabel lab10=new JLabel();
 static JLabel lab11=new JLabel();
 static JLabel lab12=new JLabel();
 static JLabel lab13=new JLabel();
 
 static JButton btn1=new JButton("提交");
 static JButton btn2=new JButton("刷新");
 static JButton btn3=new JButton("保存");
 static JButton btn4=new JButton("取消");
 static TextField tf1=new TextField("",5);
 static TextField tf2=new TextField("",15);
 static TextField tf3=new TextField("",5);
 static JCheckBox jb1=new JCheckBox("陈明茂");
 static JCheckBox jb2=new JCheckBox("张三");
 static JCheckBox jb3=new JCheckBox("李四");
 static JCheckBox jb4=new JCheckBox("王五");
 static JCheckBox jb5=new JCheckBox("张三丰");
 static JCheckBox jb6=new JCheckBox("乔峰");
 static JCheckBox jb7=new JCheckBox("萧十一郎");
 static JCheckBox jb8=new JCheckBox("王老吉");
 static JCheckBox jb9=new JCheckBox("费德南");
 static JCheckBox jb10=new JCheckBox("林无敌");
 static JPanel pan1=new JPanel();
 static JPanel pan2=new JPanel();
 static JPanel pan3=new JPanel();
 static JPanel pan4=new JPanel();
 static int count=0;
 static int count1=