In SerializeDog.java we will create a Dog object d1 serialize it and write it to a dog.ser file and latter we will deserialize the object.

SerializeDog.java

/* SerializeDog.java */

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

public class SerializeDog {

  public static void main(String[] args) {

		Dog d1 = new Dog();
		d1.setName("Tommy");

		// Serialization
		try {
			FileOutputStream fs = new FileOutputStream("c:/dog.ser");
			ObjectOutputStream os = new ObjectOutputStream(fs);
			os.writeObject(d1);
			os.close();
		} catch (Exception e) {
			e.printStackTrace();
		}

		Dog d2 = null;
		// Deserialization
		try {
			FileInputStream fis = new FileInputStream("c:/dog.ser");
			ObjectInputStream ois = new ObjectInputStream(fis);
			d2 = (Dog) ois.readObject();
			ois.close();
		} catch (Exception e) {
			e.printStackTrace();
		}

		System.out.println("Deserialization dog " + d2);
		System.out.println("name = " + d2.getName());
	}
}