Java.io.DataOutputStream.write() 方法

package com.codingdict;

import java.io.ByteArrayOutputStream;

import java.io.DataOutputStream;

import java.io.IOException;



public class DataOutputStreamDemo {



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

      ByteArrayOutputStream baos = null;

      DataOutputStream dos = null;

      byte[] buf = {87,64,72,31,90};



      try {



         // create byte array output stream

         baos = new ByteArrayOutputStream();



         // create data output stream

         dos = new DataOutputStream(baos);



         // write to the stream from the source buffer

         dos.write(buf, 2, 3);



         // flushes bytes to underlying output stream

         dos.flush();



         // for each byte in the baos buffer content

         for(byte b:baos.toByteArray()) {

            System.out.println(b);

         }



      } catch(Exception e) {



         // if any error occurs

         e.printStackTrace();

      } finally {



         // releases all system resources from the streams

         if(dos!=null)

            dos.close();

         if(baos!=null)

            baos.close();

      }

   }

}