IO流 操作基本类型数据的流对象 DataStream

package com.lxb.test;

import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;

public class DataStreamDemo {

public static void main(String[] args) throws IOException {
// TODO Auto-generated method stub
writeData();
readData();
}

private static void readData() throws IOException {
// TODO Auto-generated method stub
DataInputStream dis=new DataInputStream(new FileInputStream("e:\\demo.txt"));
String s=dis.readUTF();
System.out.println(s);
}

private static void writeData() throws IOException {
// TODO Auto-generated method stub
DataOutputStream dos=new DataOutputStream(new FileOutputStream("e:\\demo.txt"));
dos.writeUTF("你好");
dos.close();
}

}