IO流文件输出流的应用

 1 package syj;
 2 import java.io.*;
 3 public class syj4 {
 4     public static void main(String[] args) {
 5         // TODO 自动生成的方法存根
 6          File file = new File("data.txt");
 7          String syj = "12345abcdef@#%&*软件工程 ";
 8          try {
 9              FileWriter t = new FileWriter (file);
10              BufferedWriter out = new BufferedWriter (t);
11              out.write(syj);
12              out.close();
13              t.close();          
14              } catch (Exception e) {
15                 e.printStackTrace();
16             } 
17          try {
18              FileReader fr = new FileReader(file);
19              BufferedReader in = new BufferedReader(fr);
20              String ss = in.readLine();
21              System.out.println("文件中的信息是："+ ss);
22              in.close();
23              fr.close();
24              }catch (Exception e) {
25                 e.printStackTrace();
26             }
27         }
28 
29     }

转载于:https://www.cnblogs.com/liuxun1031/p/11057082.html