Source Code : A class whose clone method uses serialization

Java Is Open Source Programming Language You Can Download From Java and Java Libraries From http://www.oracle.com. Click Here to download
We provide this code related to title for you to solve your developing problem easily. Libraries which is import in this program you can download from http://www.oracle.com. Click Here or search from google with Libraries Name you get jar file related it

A class whose clone method uses serialization

    
/*
   This program is a part of the companion code for Core Java 8th ed.
   (http://horstmann.com/corejava)

   This program is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation, either version 3 of the License, or
   (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

/**
   @version 1.20 17 Aug 1998
   @author Cay Horstmann
*/

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.io.Serializable;
import java.util.Date;
import java.util.GregorianCalendar;

public class SerialCloneTest
{  
   public static void main(String[] args)
   {  
      Employee harry = new Employee("Harry Hacker", 35000, 1989, 10, 1);
      // clone harry
      Employee harry2 = (Employee) harry.clone();

      // mutate harry
      harry.raiseSalary(10);

      // now harry and the clone are different
      System.out.println(harry);
      System.out.println(harry2);
   }
}

/**
   A class whose clone method uses serialization.
*/
class SerialCloneable implements Cloneable, Serializable
{  
   public Object clone()
   {  
      try
      {  
         // save the object to a byte array
         ByteArrayOutputStream bout = new ByteArrayOutputStream();
         ObjectOutputStream out = new ObjectOutputStream(bout);
         out.writeObject(this);
         out.close();

         // read a clone of the object from the byte array
         ByteArrayInputStream bin = new ByteArrayInputStream(bout.toByteArray());
         ObjectInputStream in = new ObjectInputStream(bin);
         Object ret = in.readObject();
         in.close();

         return ret;
      }  
      catch (Exception e)
      {  
         return null;
      }
   }
}

/**
   The familiar Employee class, redefined to extend the
   SerialCloneable class. 
*/
class Employee extends SerialCloneable
{  
   public Employee(String n, double s, int year, int month, int day)
   {  
      name = n;
      salary = s;
      GregorianCalendar calendar = new GregorianCalendar(year, month - 1, day);
      hireDay = calendar.getTime();
   }

   public String getName()
   {  
      return name;
   }

   public double getSalary()
   {  
      return salary;
   }

   public Date getHireDay()
   {  
      return hireDay;
   }

   public void raiseSalary(double byPercent)
   {  
      double raise = salary * byPercent / 100;
      salary += raise;
   }

   public String toString()
   {  
      return getClass().getName()
         + "[name=" + name
         + ",salary=" + salary
         + ",hireDay=" + hireDay
         + "]";
   }

   private String name;
   private double salary;
   private Date hireDay;
}
 

   
    
    
    
  

Thank with us