"Congratulations on upgrading your skills. We need guys who are prepared to do anything."
"Sigurado akong marami ka pang hindi natapos na gawain. Oras na para tapusin ang ilan sa mga iyon!"
16
Gawain
Java Collections, antas, aralin
Naka-lock
Factories (part 1)
Hi!
Now you're going to dig into the Factory Method pattern. Let's take people as an example.
We'll determine what type of person someone is depending on his or her age.
In this task, we'll prepare the data that we'll use in the factory.
1. Create a shared Human interface for all types of people.
16
Gawain
Java Collections, antas, aralin
Naka-lock
Factories (part 2)
1. Create a public MaleFactory class in the male package with a public getPerson method that accepts one int age argument and
returns an appropriate object of a class implementing the Human interface.
8
Gawain
Java Collections, antas, aralin
Naka-lock
Factories (part 3)
1. Create a female package and create KidGirl, TeenGirl, and Woman classes in it by analogy with the classes in the male package.
2. Create a FemaleFactory in the female package by analogy with MaleFactory and using the same principle for getting objects.
8
Gawain
Java Collections, antas, aralin
Naka-lock
Factories (part 4)
1. At the root of the task, create an AbstractFactory interface and move the factories' common method into it.
2. Implement the AbstractFactory interface in both factories.