import java.io.FileInputStream;

import java.io.FileOutputStream;

import java.io.DataInputStream;

import java.io.DataOutputStream;

import java.io.IOException;

public class DataStreamsDemo{

private static final String FILE_PATH = "DataStreams.dat";

public static void main(String[] args){

FileOutputStream fos = null;

FileInputStream fis = null;

DataOutputStream dos = null;

DataInputStream dis = null;

try{

fos = new FileOutputStream(FILE_PATH);

dos = new DataOutputStream(fos);

dos.writeInt(2016);

dos.writeUTF("Saving this string in UTF-8 encoding format");

dos.writeFloat(1.25F);

dos.close(); // close underlying output stream

dos = null; // avoid another will-failure closing attempt.

fis = new FileInputStream(FILE_PATH);

dis = new DataInputStream(fis);

System.out.println(dis.readInt());

System.out.println(dis.readUTF());

System.out.println(dis.readFloat());

}catch(IOException ioe){

ioe.printStackTrace();

}finally{

if(dos!=null){

try{

dos.close();

}catch(IOException ioe){

ioe.printStackTrace();

}

}

if(dis!=null){

try{

dis.close();

}catch(IOException ioe){

ioe.printStackTrace();

}

}

}

}

}