Java.io.ObjectInputStream.readObject() 方法

package com.codingdict;



import java.io.*;



public class ObjectInputStreamDemo {



   public static void main(String[] args) {

      String s = "Hello World";

      byte[] b = {'e', 'x', 'a', 'm', 'p', 'l', 'e'};



      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.writeObject(b);

         oout.flush();



         // create an ObjectInputStream for the file we created before

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



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

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



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

         byte[] read = (byte[]) ois.readObject();

         String s2 = new String(read);

         System.out.println("" + s2);





      } catch (Exception ex) {

         ex.printStackTrace();

      }



   }

}