"Tillykke med opgraderingen af dine færdigheder. Vi har brug for fyre, der er parate til at gøre alt."
"Jeg er sikker på, at du stadig har mange ufærdige opgaver. Det er tid til at afslutte nogle af dem!"
16
Opgave
Java Collections, niveau, lektie
Låst
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
Opgave
Java Collections, niveau, lektie
Låst
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
Opgave
Java Collections, niveau, lektie
Låst
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
Opgave
Java Collections, niveau, lektie
Låst
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.
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