PSP----四则运算

psp流程:

  预计耗时(分钟)实际耗时(分钟)
Planning 计划 20 20
Estimate 估计这个任务需要多少时间 90 90
Development 开发 120 90
Analysis 需求分析 10 10
Design Spec 生成设计文档 / /
Design Review 设计复审(和同事审核设计文档) / /
Coding Standerd 代码规范(为目前的开发制定合适的规范) / /
Design 具体设计 30 30
Coding 具体编码 100 100
Code Review 代码复审 10 15
Text 测试(自测,修改代码,提交修改) 20 20
Reporting 报告 20 20
Text Report 测试报告 10 10
Size Measurement 计算工作量 5 5
Postmortem & Process Improvement Plan 事后总结,并提出过程改进计划 5 5
Sum 合计 440 415

代码:

  1 import javax.swing.*;
  2 import java.awt.*;
  3 import java.awt.event.*;
  4 public class sjcl {
  5     public static void main(String args[]) 
  6     {
  7         new Window();
  8     }
  9 }
 10 class Window extends JFrame 
 11 {
 12     /**
 13      * 
 14      */
 15     private static final long serialVersionUID = 1L;
 16     public  Window() 
 17     {
 18         setLayout(null);
 19         Container con = getContentPane();
 20         con.setBackground(new Color(168,229,73));
 21         setTitle("100以内的四则运算测试");
 22         init();
 23         setBounds(400,200,500,250);
 24         setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
 25         setVisible(true);
 26     }
 27     
 28     void init() 
 29     {
 30         //备注
 31         JLabel label = new JLabel();
 32         label.setText("除法四舍五入保留整数");
 33         label.setBounds(5,5,150,20);
 34         add(label);
 35         
 36         //获得题目
 37         int Numb_a,Numb_b,Numb_c;
 38         char[]c={'+','-','*','/'};
 39         Numb_c=(int)(1+Math.random()*3);
 40         Numb_a=(int)(1+Math.random()*100);
 41         Numb_b=(int)(1+Math.random()*100);
 42         String oper = " "+c[Numb_c]+" ";
 43         String t=Numb_a+oper+Numb_b;
 44 
 45         JButton GetQuestButton = new JButton("获得题目");
 46         JTextField GetQuestText = new JTextField();
 47         GetQuestButton.setBounds(80,30,100,30);
 48         GetQuestText.setBounds(180,30,200,30);
 49         GetQuestButton.addActionListener(new ActionListener(){
 50             public void actionPerformed(ActionEvent e) {                
 51                 GetQuestText.setText(t);
 52             }
 53         });
 54         add(GetQuestButton);
 55         add(GetQuestText);
 56         
 57         //确认答案
 58         JButton OutAnswerButton = new JButton("确认答案");
 59         JTextField OutAnswerText = new JTextField();
 60         add(OutAnswerButton);
 61         add(OutAnswerText);
 62         OutAnswerButton.setBounds(80,70,100,30);
 63         OutAnswerText.setBounds(180,70,200,30);
 64         OutAnswerButton.addActionListener(new ActionListener(){
 65             public void actionPerformed(ActionEvent e) {
 66                 int anwser=0;
 67                 if(c[Numb_c]=='+') {
 68                     anwser=Numb_a+Numb_b;
 69                 }
 70                 else if(c[Numb_c]=='-') {
 71                     anwser=Numb_a-Numb_b;
 72                 }
 73                 else if(c[Numb_c]=='*') {
 74                     anwser=Numb_a*Numb_b;
 75                 }
 76                 else if(c[Numb_c]=='/') {
 77                     anwser=(int)Math.rint(Numb_a/Numb_b);
 78                 }
 79                     
 80                 if(OutAnswerText.getText().equals(String.valueOf(anwser))){
 81                     JOptionPane.showMessageDialog(null, "回答正确!", "确认答案",JOptionPane.WARNING_MESSAGE);
 82                 }
 83                 else{
 84                     JOptionPane.showMessageDialog(null, "回答错误!", "确认答案",JOptionPane.ERROR_MESSAGE);
 85                 }
 86             }    
 87         });    
 88         
 89         //重置
 90         JButton ResetButton = new JButton("重置");
 91         add(ResetButton);
 92         ResetButton.setBounds(180,120,100,40);
 93         ResetButton.addActionListener(new ActionListener(){
 94             public void actionPerformed(ActionEvent e) {
 95                 new Window();
 96                 //GetQuestText.setText(null);
 97                 //OutAnswerText.setText(null);    
 98             }
 99         });
100     }    
101 }

 运行结果:

 

 

 

 

原文地址:https://www.cnblogs.com/tantan0914/p/15345943.html