阅读下面程序 import java.io.*; public class ByteStreamTest { public static void main(String[] args) { int[] myArray={10,20,30,40}; try { DataOutputStream dos=new DataOutputStream (new ______('ints.dat')); for(int i=0i<myArray.lengthi++)dos.writeInt(myArray[i]); dos.close(); System.out.println('Have written binary file ints.dat'); } catch(IOException ioe) { System.out.println('IOException'); } } } 为保证程序正确运行,在程序中下画线处的代码是