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  • 结对编程四则运算心得体会

     结对对象:陈佳  博客地址:http://www.cnblogs.com/NMSLWSND/p/5375468.html

     双方贡献比例:  1:1

     结对编程照片:

    源程序:

        

     1 package com.cxy;
     2 
     3 import java.util.Random;
     4 
     5 public class Out {
     6     private int a, b;
     7     private int i;
     8     private String operator[]={"+","-","×","÷"};
     9     
    10     public String getYun(){
    11       while(true){
    12         a=new Random().nextInt(100);
    13         b=new Random().nextInt(100);  //产生随机数
    14         i=new Random().nextInt(4);
    15         
    16         if(i==1&&a<b){         //不能为负数
    17             continue;
    18         }
    19         
    20         if(i==3){             //不能被0除
    21             if(b==0){
    22                 continue;
    23             }
    24             if(a%b!=0){      //a一定被b除
    25                 continue;
    26             }
    27         }
    28         break;       
    29       }
    30       return new String(a+operator[i]+b+"=");
    31     }
    32     
    33     
    34     public  boolean panduan(String s){    //判断答案是否正确
    35         int i,result = 0;
    36         try{
    37             i=Integer.valueOf(s).intValue();
    38         }catch(Exception e){
    39             return false;
    40         }
    41         switch(this.operator()){
    42            case "+":result=this.getA()+this.getB();break;
    43            case "-":result=this.getA()-this.getB();break;
    44            case "×":result=this.getA()*this.getB();break;
    45            case "÷":result=this.getA()/this.getB();break;
    46         }
    47         if(result==i){
    48             return true;
    49         }return false;
    50         
    51     }
    52     
    53     public int correctResult(){     //返回正确的答案
    54         int result=0;
    55        switch(this.operator()){
    56         case "+":result=this.getA()+this.getB();break;
    57         case "-":result=this.getA()-this.getB();break;
    58         case "×":result=this.getA()*this.getB();break;
    59         case "÷":result=this.getA()/this.getB();break;
    60      }
    61        return result;
    62     }
    63     
    64     
    65     public String operator(){        //返回运算符
    66         return operator[this.i];
    67     }
    68     
    69     
    70     public int getA() {  //返回运算数
    71         return a;
    72     }
    73 
    74 
    75     public int getB() { //返回运算数
    76         return b;
    77     }
    78     
    79 }
      1 package com.cxy.jg;
      2 
      3 import java.awt.BorderLayout;
      4 import java.awt.Color;
      5 import java.awt.Container;
      6 import java.awt.FlowLayout;
      7 import java.awt.GridLayout;
      8 import java.awt.event.ActionEvent;
      9 import java.awt.event.ActionListener;
     10 
     11 import javax.swing.DefaultListModel;
     12 import javax.swing.JButton;
     13 import javax.swing.JFrame;
     14 import javax.swing.JLabel;
     15 import javax.swing.JList;
     16 import javax.swing.JPanel;
     17 import javax.swing.JScrollPane;
     18 import javax.swing.JTextField;   //引入相关的包
     19 
     20 public class Ui {
     21     
     22     
     23     
     24     public static JScrollPane jls;
     25     public static int correct=0;
     26     public static int number=0;
     27     public static int total=0;
     28     public static boolean flag=false;
     29     public static JTextField count;
     30         public static JButton btn_ok;
     31         public static JButton btn_xuan;
     32         public static JLabel operate;
     33         public static JTextField result;
     34         public static JLabel info;
     35         public static JList infoList;         //声明各种控件
     36     public static DefaultListModel dlm = new DefaultListModel();
     37     public static Out out=new Out();
     38      
     39     public static boolean panduan(String s){   //判断用户输入的题数是否是整数且在1-100的范围内
     40         int i;
     41         try
     42         {
     43             i=Integer.valueOf(s).intValue();
     44         }catch(Exception e){
     45             return false;
     46         }
     47         if(i<=0||i>100)
     48         {
     49               return false;
     50         }        
     51         return true;
     52     } 
     53     
     54     public static void main(String[] args) {
     55         // TODO Auto-generated method stub
     56          JFrame frame=new JFrame("四则运算");
     57          Container contentPane=frame.getContentPane();
     58          
     59          contentPane.setLayout(new GridLayout(2,1));  //界面布局
     60          
     61          JPanel panel_top=new JPanel();
     62          panel_top.setLayout(new BorderLayout());
     63          
     64          
     65          
     66          JPanel panel_one=new JPanel(new FlowLayout(FlowLayout.LEFT));  
     67          count=new JTextField(5);
     68          btn_xuan=new JButton("确定");
     69          btn_xuan.addActionListener(new ActionListener(){
     70 
     71             @Override
     72             public void actionPerformed(ActionEvent e) {
     73                 // TODO Auto-generated method stub
     74             
     75                 
     76                 if(Ui.panduan(Ui.count.getText())){
     77                     Ui.out=new Out();
     78                     Ui.correct=0;
     79                     Ui.total=Ui.number=Integer.valueOf(Ui.count.getText()).intValue();
     80                     Ui.flag=true;
     81                     Ui.btn_ok.setEnabled(true);
     82                     Ui.result.setEnabled(true);
     83                     Ui.btn_xuan.setText("重新生成");
     84                     
     85                     Ui.operate.setText(Ui.out.getYun());
     86                     Ui.info.setText("你还剩余"+Ui.number+"道题,你已经答对"+Ui.correct+"道题"+",你目前的正确率为"+new java.text.DecimalFormat("00.0%").format(((Ui.correct*1.0)/Ui.total)));
     87                     Ui.dlm.clear();
     88                     Ui.infoList.setModel(Ui.dlm);
     89                 }
     90             }
     91                    
     92          });   //确定题数按钮事件的处理
     93          panel_one.add(new JLabel("产生题目数:"));
     94          panel_one.add(count);
     95          panel_one.add(btn_xuan);
     96          panel_one.add(new JLabel("1-100"));
     97          
     98          
     99          
    100          JPanel panel_second=new JPanel(new FlowLayout(FlowLayout.LEFT));
    101          operate=new JLabel("0+0=");  
    102          result=new JTextField(5);
    103          result.setEnabled(false);
    104          btn_ok=new JButton("提交");
    105          btn_ok.addActionListener(new ActionListener(){
    106 
    107             @Override
    108             public void actionPerformed(ActionEvent e) {
    109                 // TODO Auto-generated method stub
    110                 StringBuffer s=new StringBuffer();
    111                 if(Ui.out.panduan(Ui.result.getText())){
    112                     Ui.correct++;
    113                     Ui.number--;
    114                     
    115                     s.append(Ui.out.getA()).append(Ui.out.operator()).append(Ui.out.getB()+"=").append(Ui.result.getText()).append("\t").append("   √    ");
    116                     
    117                 }else{
    118                     Ui.number--;
    119                     s.append(Ui.out.getA()).append(Ui.out.operator()).append(Ui.out.getB()+"=").append(Ui.result.getText()).append("\t").append("   ×    ").append(Ui.out.correctResult());
    120                     
    121                 }
    122                 Ui.info.setText("你还剩余"+Ui.number+"道题,你已经答对"+Ui.correct+"道题"+",你目前的正确率为"+new java.text.DecimalFormat("00.0%").format(((Ui.correct*1.0)/Ui.total)));
    123                 if(Ui.number==0){
    124                      Ui.btn_ok.setEnabled(false);
    125                      Ui.info.setForeground(Color.red);
    126                      Ui.info.setText("恭喜你!你总共完成"+Ui.total+"道题"+",你的答题正确率为"+new java.text.DecimalFormat("00.0%").format(((Ui.correct*1.0)/Ui.total)));
    127                      
    128                 }
    129                 
    130                 Ui.dlm.addElement(s);
    131                 Ui.infoList.setModel(Ui.dlm);
    132                 
    133                 Ui.out=new Out();
    134                 Ui.operate.setText(Ui.out.getYun());
    135             
    136             }
    137              
    138          }); //提交结果按钮事件处理
    139          Ui.operate.setForeground(Color.BLUE);
    140          
    141          btn_ok.setEnabled(false);
    142          panel_second.add(new JLabel("         运算:"));       
    143          panel_second.add(operate);
    144          panel_second.add(result);
    145          panel_second.add(btn_ok);
    146          
    147          
    148          
    149          
    150          JPanel panel_third=new JPanel(new FlowLayout(FlowLayout.LEFT));
    151          info=new JLabel("");
    152          panel_third.add(new JLabel("提示:"));
    153          panel_third.add(info);
    154          
    155         
    156          infoList=new JList();
    157          jls=new JScrollPane(infoList);
    158          
    159          panel_top.add(panel_one,BorderLayout.NORTH);
    160          panel_top.add(panel_second,BorderLayout.CENTER);
    161          panel_top.add(panel_third,BorderLayout.SOUTH);
    162          
    163          contentPane.add(panel_top);
    164          contentPane.add(jls);
    165          frame.setSize(450, 500);
    166          frame.setVisible(true);
    167     }
    168 
    169 
    170 }

    运行结果:

    总结:

       这次与另外同学的结对编程,发现自己某些方面的不足,某些考虑不全面,有时候同学都可以一针见血的指出,同时两个人同时编程感觉更高效考虑的更全面,如果是很多人同时开发,几个人之间的沟通就成很大问题,不一定就有结对编程的效率高。

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  • 原文地址:https://www.cnblogs.com/cxyc/p/5375733.html
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