"Gratulerer med oppgraderingen av ferdighetene dine. Vi trenger gutter som er forberedt på å gjøre hva som helst."
"Jeg er sikker på at du fortsatt har mange uferdige oppgaver. Det er på tide å fullføre noen av dem!"
16
Oppgave
Java Collections, nivå, lekse
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
Oppgave
Java Collections, nivå, lekse
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
Oppgave
Java Collections, nivå, lekse
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
Oppgave
Java Collections, nivå, lekse
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.
0
Kommentarer
Populær
Ny
Gammel
Du må være pålogget for å legge igjen en kommentar