Java IO流 之 DataInputStream DataOutputStream

http://www.verejava.com/?id=16994690613914

package com.io2;

import java.io.*;

public class TestDataInputStream
{
	public static void main(String[] args)
	{
		OutputStream os;
		try
		{
			//向文件中 以  int ,double,boolean ,String 存入数据
			os = new FileOutputStream(new File("res/data.dat"));
			DataOutputStream dos=new DataOutputStream(os);
			dos.writeUTF("张三");
			dos.writeInt(20);
			dos.writeBoolean(true);
			dos.writeDouble(10.2);
			os.flush();//存入文件
			
			//取得数据
			InputStream is=new FileInputStream(new File("res/data.dat"));
			DataInputStream dis=new DataInputStream(is);
			//注意 取数据 的顺序  必须和存数据的一样
			System.out.println(dis.readUTF());
			System.out.println(dis.readInt());
			System.out.println(dis.readBoolean());
			System.out.println(dis.readDouble());
			
			
		}
		catch (Exception e)
		{
			e.printStackTrace();
		}
		
	}
}

http://www.verejava.com/?id=16994690613914