Override writeObject(ObjectOutputStream oos) and readObject(ObjectInputStream ois) : ObjectOutputStream « File Input Output « Java

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Java » File Input Output » ObjectOutputStream 




Override writeObject(ObjectOutputStream oos) and readObject(ObjectInputStream ois)
  

import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.io.Serializable;

class Employee implements Serializable {
  private String name;

  private double salary;

  Employee(String name, double salary) {
    this.name = name;
    this.salary = salary;
  }

  String getName() {
    return name;
  }

  double getSalary() {
    return salary;
  }

  private void writeObject(ObjectOutputStream oosthrows IOException {
    oos.defaultWriteObject();
    System.out.println("Serializing Employee object\n");
  }

  private void readObject(ObjectInputStream oisthrows Exception {
    ois.defaultReadObject();
    salary += 100;
    System.out.println("Deserializing Employee object");
  }
}

class Main {
  public static void main(String[] argsthrows Exception {
    Employee e1 = new Employee("A"45000.0);
    System.out.println(e1.getName() " " + e1.getSalary());

    FileOutputStream fos = new FileOutputStream("employee.ser");
    ObjectOutputStream  oos = new ObjectOutputStream(fos);
    oos.writeObject(e1);

    FileInputStream fis = new FileInputStream("employee.ser");
    ObjectInputStream  ois = new ObjectInputStream(fis);

    Employee e2 = (Employeeois.readObject();
    System.out.println(e2.getName() " " + e2.getSalary());

  }
}

   
    
  














Related examples in the same category
1.new ObjectOutputStream(new BufferedOutputStream(new FileOutputStream(StringFileName)));
2.Create ObjectOutputStream out of FileOutputStream
3.Write different data types with ObjectOutputStream
4.A program that serializes and deserializes an Employee array
5.implements Externalizable
6.Writing objects to file with ObjectOutputStream
7.Serializing an Object (JButton)
8.Returns a byte array from the given object.
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