„Поздравления за надграждането на вашите умения. Имаме нужда от момчета, които са готови да направят всичко.“
„Сигурен съм, че все още имате много незавършени задачи. Време е да завършите някои от тях!“
16
Задача
Java Collections, ниво, урок
Заключено
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
Задача
Java Collections, ниво, урок
Заключено
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
Задача
Java Collections, ниво, урок
Заключено
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
Задача
Java Collections, ниво, урок
Заключено
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.