Student achievement

 1 import java.beans.FeatureDescriptor;
 2 import java.io.*;
 3 import java.util.Scanner;
 4 
 5 
 6 public class num_3v {
 7     public static void main(String[] args) throws IOException {
 8         String[] sname = new String[5];
 9         int[] jScore = new int[5];
10         int[] sScore = new int[5];
11         File file = new File("e:\\data.txt");
12         if(! file.exists())
13             file.createNewFile();
14         Scanner sc = new Scanner(System.in);
15         FileWriter fw = new FileWriter(file);
16         BufferedWriter bw = new BufferedWriter(fw);
17         for (int i = 0; i < 3; i++) {
18             System.out.println("请输入" + (i + 1) + "同学的姓名：");
19             sname[i] = sc.next();
20             System.out.println ( "Enter" + (i + 1) + " java students score:" );
 21 is              jScore [I] = sc.nextInt ();
 22 is              System.out.println ( "enter" + (i + 1) + "data structure of students score:" );
 23 is              sScore [I] = sc.nextInt ();
 24              bw.write (sname [I] + "," + jScore [I] + "," sScore + [I] + "," );
 25              bw.newLine ();
 26 is          }
 27          bw.close ();
 28          fw.close ();
 29          readDataFromFile (File);
30     }
31 
32     private static void readDataFromFile(File file) throws IOException {
33         FileReader fr = new FileReader(file);
34         BufferedReader br = new BufferedReader(fr);
35         String str = "";
36         int sum = 0;
37         while ((str = br.readLine()) != null) {
38             String[] stuInfo = str.split(",");
39             System.out.println("姓名" + stuInfo[0] + "Java分数：" + stuInfo + "数据结构分数：" + stuInfo[2]);
40             sum = Integer.parseInt(stuInfo[1]) + Integer.parseInt(stuInfo[2]);
41             System.out.println(stuInfo[0] + "的总分是：" + sum);
42         }
43         br.close();
44         fr.close();
45     }
46 }