String 转 byte[] 实例

 1 package h15;
 2 
 3 import java.io.*;
 4 
 5 
 6 public class demo2 {
 7 
 8     /**
 9      * @param args
10      */
11     public static void main(String[] args) {
12         // TODO Auto-generated method stub
13         File f = new File("e:/aa.txt");
14         FileOutputStream fos=null ;
15         try {
16             fos = new FileOutputStream(f);
17             String str = "我是中国人";
18             byte[] bytes  = str.getBytes();
19             try {
20                 fos.write(bytes);
21             } catch (IOException e) {
22                 // TODO Auto-generated catch block
23                 e.printStackTrace();
24             }
25         } catch (FileNotFoundException e) {
26             // TODO Auto-generated catch block
27             e.printStackTrace();
28         }finally{
29             try {
30                 fos.close();
31             } catch (IOException e) {
32                 // TODO Auto-generated catch block
33                 e.printStackTrace();
34             }
35         }
36 
37     }
38 }