阅读下面程序

import java.io.*;

public class ByteStream Test{

public static void main(String[] a){

int[] myArray = {10,20.30,40};

try{

D．ataOutputStream dos = new DataOutputStream(new _________________( " ints.dat " ));

for (int i=0;i<myArray.length;i++)

dos.writeInt(myArray[i] ) ;

dos.close();

S ystem.out.println( " Have written binary file ints.dat " );

}

catch (IOException ioc){

System.out.println( " IO Exception " );

}

}

}

为保证程序正确运行，在程序中下划线处应填入的代码是

A．)FileOutputStream

B．)ByteArrayOutputStream

C．)BufferedOutputStream

D．)FileWriter