Java.io.ObjectInputStream readObjectOverride() 方法

package com.codingdict;



import java.io.*;



public class ObjectInputStreamDemo extends ObjectInputStream{



   public ObjectInputStreamDemo(InputStream in) throws IOException {

      super(in);

    }



   public static void main(String[] args) {

      String s = "Hello World";



      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.writeObject(s);

         oout.flush();



         // create an ObjectInputStream for the file we created before

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



         // read and print an object and cast it as string

         System.out.println("" + (String)ois.readObjectOverride());



      } catch (Exception ex) {

         ex.printStackTrace();

      }



   }

}