If we want to make object to be serializeble then class of that object must implements serializable interface. Serialzable interface is marker interface.To serialze a object we convert them into byte stream. and we de-serialize that object from that stream.
Employee.java
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| import java.io.Serializable;
public class Employee implements Serializable{
private String name;
private float salary;
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public float getSalary() {
return salary;
}
public void setSalary(float salary) {
this.salary = salary;
}
}
|
SerialzableExample.java
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| import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
public class SerializableExample {
ObjectOutputStream oos=null;
FileOutputStream fos=null;
FileInputStream fis=null;
ObjectInputStream ois=null;
public static void main(String[] args) {
SerializableExample serial=new SerializableExample();
/*
* write employee object into file
*/
serial.employeeSerialzable();
/*
* read employee object from file
*/
serial.employeeDeSerialzable();
}
private void employeeSerialzable() {
Employee emp=new Employee();//create new java object
emp.setName("Arpit Sharma");//set name of employee
emp.setSalary(100000);//set salary of employee
try {
fos=new FileOutputStream("Demo.txt");//open demo.txt to write object into them
oos=new ObjectOutputStream(fos);
oos.writeObject(emp);//serialize object
} catch (IOException e) {
e.printStackTrace();
}
}
private void employeeDeSerialzable() {
try {
fis=new FileInputStream("Demo.txt");//read demo.txt to read object
ois=new ObjectInputStream(fis);
Employee emp=(Employee) ois.readObject();//deserialize object
System.out.println("Employee Name: "+emp.getName());
System.out.println("Employee Salary: "+emp.getSalary());
} catch (IOException | ClassNotFoundException e) {
e.printStackTrace();
}
}
}
|
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