java下DataInputStream与DataOutputStream写入数据的同时写入数据类型

时间：2021-03-21 02:08:55
package cn.stat.p2.demo;

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 {

    /**

     * @param args

     * @throws IOException

     */

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

        //DataInputStream与DataOutputStream写入数据的同时写入数据类型

        writedata();

        readdata();

    }

    public static void readdata() throws IOException {

        DataInputStream dis=new DataInputStream(new FileInputStream("data.txt"));

        String str=dis.readUTF();

        System.out.println(str);

    }

    public static void writedata() throws IOException {

        DataOutputStream dos=new DataOutputStream(new FileOutputStream("data.txt"));

        dos.writeUTF("你好");

        dos.close();

    }

}

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