Java.io.ByteArrayInputStream.available() 方法

package com.codingdict;



import java.io.ByteArrayInputStream;

import java.io.IOException;



public class ByteArrayInputStreamDemo {



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

      byte[] buf = {65, 66, 67, 68, 69};

      ByteArrayInputStream bais = null;



      try {



         // create new byte array input stream

         bais = new ByteArrayInputStream(buf);



         int count =0;



         // read till the end of the stream

         while((count = bais.available())>0) {



            // convert byte to character

            char c = (char)bais.read();



            // print number of bytes available

            System.out.print("available byte(s) : "+ count);



            // print characters read form the byte array

            System.out.println(" & byte read : "+c);

         }



      } catch(Exception e) {



         // if I/O error occurs

         e.printStackTrace();

      } finally {

         if(bais!=null)

            bais.close();

      }

   }

}