java IO 之 DataStream 操作基本数据流对象

import java.io.*;
public class Main {

public static void main(String[] args) throws IOException {

DataOutputStream dop=new DataOutputStream(new FileOutputStream("1.txt"));
dop.writeUTF("神奇的我");
dop.close();

DataInputStream dip=new DataInputStream(new FileInputStream("1.txt"));
String s=dip.readUTF();
System.out.println(s);
dip.close();

}

}