Java - Serialization and Deserialization

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Description

Serialization and Deserialization

Demo

import java.io.FileInputStream;
import java.io.InputStream;
import java.io.ObjectInput;
import java.io.ObjectInputStream;
import java.io.Serializable;

class SerializationDeserialization {

  public static void main(String[] args) {
    class Employee implements Serializable {
      private static final long serialVersionUID = 1L;
      private Integer id;
      private String name;
//      private String addedField;

      public Employee(Integer id, String name) {
        this.id = id;
        this.name = name;
      }/*from   www.  ja  va2 s . c  o  m*/

      @Override
      public String toString() {
        return "Employee [id=" + id + ", name=" + name + "]";
      }

    }

    Employee object1 = new Employee(1, "amy");
    Employee object2 = new Employee(2, "ankit");

    try {

      InputStream fin = new FileInputStream("ser.txt");
      ObjectInput oin = new ObjectInputStream(fin);

      System.out.println("DeSerialization process has started,displaying employee objects...");
      Employee emp = (Employee) oin.readObject();
      System.out.println(emp);
      Employee emp1 = (Employee) oin.readObject();
      System.out.println(emp1);

      fin.close();
      oin.close();
    } catch (Exception ioe) {
      ioe.printStackTrace();
    }
  }

}

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