objectserial.java

来自「贪食蛇的实现源码」· Java 代码 · 共 37 行

package com.henry.filestream;

import java.io.*;


public class ObjectSerial {

  public static void main(String[] args) {  

    
  
    EmailMessage message = new EmailMessage("Tom", "hello world"); // create new object
    try{
      ObjectOutputStream os = new ObjectOutputStream(new FileOutputStream("TestObj.txt"));     
         
      os.writeObject(message);  // write object to file
      os.close();
     
      ObjectInputStream is = new ObjectInputStream(new FileInputStream("TestObj.txt"));
      message = (EmailMessage)is.readObject();  // read object from file
       is.close();
      System.out.println("Message sender is: " + message.sender + " Message subject is: " + message.subject);
      
    }catch(Exception e) {e.printStackTrace();}
  }
}

class EmailMessage implements Serializable{
  protected String sender;
  protected String subject;

  public EmailMessage(String asender, String asubject) {
    sender = asender;
    subject = asubject;
  }
}