Java.io.ObjectInputStream.available() 方法

package com.codingdict;



import java.io.*;



public class ObjectInputStreamDemo {



   public static void main(String[] args) {

      try {



         // create a new file with an ObjectOutputStream

         FileOutputStream out = new FileOutputStream("test.txt");

         ObjectOutputStream oout = new ObjectOutputStream(out);



         // write something in the file

         oout.writeUTF("Hello World");

         oout.flush();



         // create an ObjectInputStream for the file we created before

         ObjectInputStream ois =  new ObjectInputStream(new FileInputStream("test.txt"));



         // check how many bytes are available

         System.out.println("" + ois.available());

      } catch (Exception ex) {

         ex.printStackTrace();

      }



   }

}