modify.java

这是一个用JAVA作的学生管理系统的软件是一个单机版的DOS版的里面添加

import java.io.*;
public  class Modify
{
   public Modify() throws IOException
   {
     StudentDAO studDAO=new StudentDAO();
     studDAO.init("stud.txt");   
     System.out.println("~~~~~~~~~~~~~~~~~~~~~~修改学生信息~~~~~~~~~~~~~~~~~~~~~~\n");  
     try
     {
         System.out.println("请输入你想修改的学生学号:");
         String s2;
         BufferedReader in5=new BufferedReader(new InputStreamReader(System.in));
         s2=in5.readLine();
         StudentVo stud=studDAO.search(s2);
         System.out.println("修改的原信息是:");
         stud.print();
         System.out.println("请输入新信息:");
         System.out.println("姓名:");
         String name5=in5.readLine();
         System.out.println("年龄:");
         int age5=Integer.parseInt(in5.readLine());
         System.out.println("专业:");
         String major5=in5.readLine();
         System.out.println("学科:");
         String course5=in5.readLine();
         System.out.println("成绩:");
         int score5=Integer.parseInt(in5.readLine());        
         studDAO.update(new StudentVo(s2,name5,age5,major5,course5,score5));
         System.out.println("修改成功!!!\n");
      }
      catch(NotFoundException e)
      {
           System.out.print(e.getMessage());
       }
       studDAO.save("stud.txt"); 
     }
 }