java 序列化与反序列化的实例详解

publicfinalvoidwriteObject(Objectx)throwsIOException

publicfinalObjectreadObject()throwsIOException, ClassNotFoundException

public class Employee implements java.io.Serializable 
{ 
  public String name; 
  public String address; 
  public transient int SSN; 
  public int number; 
  public void mailCheck() 
  { 
   System.out.println("Mailing a check to " + name 
              + " " + address); 
  } 
} 

import java.io.*; 
  
public class SerializeDemo 
{ 
  public static void main(String [] args) 
  { 
   Employee e = new Employee(); 
   e.name = "Reyan Ali"; 
   e.address = "Phokka Kuan, Ambehta Peer"; 
   e.SSN = 11122333; 
   e.number = 101; 
   try 
   { 
     FileOutputStream fileOut = 
     new FileOutputStream("employee.ser"); 
     ObjectOutputStream out = new ObjectOutputStream(fileOut); 
     out.writeObject(e); 
     out.close(); 
     fileOut.close(); 
     System.out.println("Serialized data is saved in employee.ser"); 
   }catch(IOException i) 
   { 
     i.printStackTrace(); 
   } 
  } 
} 
 

import java.io.*; 
public class DeserializeDemo  
{ 
    public static void main(String [] args) 
    { 
     Employee e = null; 
     try 
     { 
       FileInputStream fileIn = new FileInputStream("employee.ser"); 
       ObjectInputStream in = new ObjectInputStream(fileIn); 
       e = (Employee) in.readObject(); 
       in.close(); 
       fileIn.close(); 
     }catch(IOException i) 
     { 
       i.printStackTrace(); 
       return; 
     }catch(ClassNotFoundException c) 
     { 
       System.out.println("Employee class not found"); 
       c.printStackTrace(); 
       return; 
     } 
     System.out.println("Deserialized Employee..."); 
     System.out.println("Name: " + e.name); 
     System.out.println("Address: " + e.address); 
     System.out.println("SSN: " + e.SSN); 
     System.out.println("Number: " + e.number); 
    } 
} 
 

Deserialized Employee...
Name: Reyan Ali
Address: Phokka Kuan, Ambehta Peer
SSN: 0
Number: 101