DataStream_操作基本类型数据的流对象

 1 import java.io.DataInputStream;
 2 import java.io.DataOutputStream;
 3 import java.io.FileInputStream;
 4 import java.io.FileOutputStream;
 5 import java.io.IOException;
 6 
 7 public class Test {
 8     public static void main(String[] args) throws IOException {
 9         writeData();
10         readData();
11     }
12     public static void readData() throws IOException {
13         
14         DataInputStream dis = new DataInputStream(new FileInputStream("F:\IO\data.txt"));
15         
16         String str = dis.readUTF();
17         
18         System.out.println(str);
19     }
20 
21     public static void writeData() throws IOException {
22         
23         DataOutputStream dos = new DataOutputStream(new FileOutputStream("F:\IO\data.txt"));
24         
25         dos.writeUTF("你好");
26         
27         dos.close();
28     }
29 }