软件构造迭代开发三个版本

package menu; import giao.ExerciseTest.Exercise; import giao.ExerciseTest.Judgement; import giao.ExerciseTest.OperationBase; import java.io.File; import java.io.IOException; import java.util.ArrayList; import java.util.InputMismatchException; import java.util.Scanner; public class MenuRun { static String [] MENU1={"练习习题","查看错题","回顾历史","清空屏幕","退出程序"};//菜单一数组 static String [] MENU2={"加法算式","减法算式","加减法混合算式","从文件中读取","清空屏幕","返回","退出"};//菜单二数组 static String [] MENU3={"定义数量","算式基读取","清空屏幕","返回","返回主菜单","退出"};//菜单三数组 static String [] MENU4={"50道","随机道数","自定义数量","清空屏幕","返回","返回主菜单","退出"};//菜单四数组 static String [] MENU6={"更新练习","开始练习","保存算式","清空屏幕","返回","返回主菜单","退出"};//菜单五数组 static String [] MENU7={"重做习题","保存批改文件","继续练习","清空屏幕","返回","返回主菜单","退出"};//菜单六数组 static String [] MENU8={"练习习题","清空屏幕","返回","返回主菜单","退出"};//回看错题、文件读取菜单项 数组 //修改答案和批改菜单数组 static String [] modify1={"修改","批改","主菜单","退出"}; static String [] modify2={"全部算式","指定算式","返回"}; static int b;//记录选择的菜单项 static boolean YorN=false;//记录是否退出程序 static int d=2;//记录算式类型 static int e=50;//记录输入的数量 static Exercise exercise=new Exercise();//算式练习 static Exercise exercise1;//总错题 static Judgement judgement=new Judgement(); static OperationBase Base=null;//算式基 static ArrayList<Exercise> exerciseArrayList=new ArrayList<>();//做过的习题 //批改之前可以修改答案 public static void PiGai(Exercise exercise){ while (true){ MenuString(modify1); scannerNumber(modify1.length); switch (b){ case 0://修改 Caidan(modify1,b); MenuString(modify2); scannerNumber(modify2.length); switch (b){ case 0://修改全部算式 Caidan(modify2,b); judgement.formattedDisplay(exercise); judgement.ZuoTi(exercise);//做题 break; case 1://指定算式 Caidan(modify2,b); judgement.formattedDisplay(exercise);//打印练习及用户的答案 System.out.println("你要修改的题目****"); scannerNumber(e); judgement.Sua(exercise,b); break; case 2://返回 Caidan(modify2,b); break; } break; case 1://批改 Caidan(modify1,b); judgement.piGai(exercise);//更新批改数据 exercise1=judgement.asString(exercise);//打印批改结果 exerciseArrayList.add(exercise); Menu6(); return; case 2: Caidan(modify1,b); Menu1(); break; case 3://退出程序 Caidan(modify1,b); //打印选择的菜单项 System.out.println("请输入Y/N\t(Y退出，N继续使用)"); exit();//判断输入 if (YorN){//退出程序 return; }else {//继续使用 break; } } } } //用于遍历历史做过的习题 public static void forExerciseArrayList(){ for (int i=0; i<exerciseArrayList.size();i++){ System.out.println(i+1+"、"+exerciseArrayList.get(i).getFileName()); } } //清屏，cmd有效 public static void console(String state,String con){ try { new ProcessBuilder("cmd",state,con).inheritIO().start().waitFor(); }catch (Exception e){ System.out.println("错误"); } } //用于输入限制 public static int Nub(int s,int a){ int b=0; for (int i=0;i<s;i++){ if (a!=i+1){ b++; } } return b; } //用来递归的方法。如果输入的是数字则返回该数字，否则重新输入 public static int scannerNumber(int c) { try { Scanner sc = new Scanner(System.in); int a = sc.nextInt(); if (Nub(c,a)==c){//用于限制输入的数字。如果不是菜单项的数字，则递归重新输入，否则将a赋值给b System.out.println("输入错误，请重新输入"); scannerNumber(c);//递归。不是菜单项，重新输入 }else { b=a-1; } } catch (InputMismatchException nf) { System.out.println("输入错误，请输入整数"); scannerNumber(c);//递归。重新输入 } return b; } //用来递归的方法。判断用户是否退出（Y退出/N继续使用），否则重新输入 public static boolean exit(){ String a=""; Scanner sc = new Scanner(System.in); a = sc.nextLine(); if (a.equals("Y")||a.equals("y")){//输入Y/y退出程序 System.out.println("已退出，欢迎下次使用！..........."); YorN=true; }else if (a.equals("N")||a.equals("n")){ //输入N,n反回当前菜单 System.out.println("继续使用！**********"); }else {//输入其他字符、数字则重新输入 System.out.println("输入有误，请选择输入Y/N\t(Y退出，N继续使用)"); exit(); } return YorN; } //显示菜单项 public static void MenuString(String[] s){ System.out.println("************************************"); System.out.println("输入数字选择功能"); System.out.println("************************************"); for (int i=0;i<s.length;i++){ System.out.println(i+1+"、\t"+s[i]); } System.out.println("************************************"); System.out.println("请选择**********"); } //打印选择的菜单功能 public static void Caidan(String [] s,int a){ System.out.println("你选择了功能"+(a+1)+",执行："+s[a]); } //一级菜单 public static void Menu1(){ while (!YorN){ MenuString(MENU1);//显示菜单一 scannerNumber(MENU1.length);//输入限制 switch (b){ case 0://在线操练习题 Caidan(MENU1,b); //打印选择的菜单项 Menu2();//进入二级菜单 break; case 1://回看错题 Caidan(MENU1,b); //打印选择的菜单项 if (exercise1!=null){//错题对象中是否有错题，有则打印并可以练习 int countNumber = exercise1.length(); System.out.println("错题数"+countNumber); try { exercise1.readCSVEx(new File("D:/算式练习/错题文件.csv"));//读取错题对象