uaihebertLeave a Comment
Hello, how are you?
Today we will talk about another Design Pattern, “Observer”. If you want to see the first design pattern that we studied you can see it here (Strategy). Let us do a fast review about all design pattern subject that we have studied so far:
Design Pattern: Strategy
Studied Principles:
Identify everything that changes and isolate it from what does not change.Program to an interface.Give priority to composition rather than inheritance.
Let us work with the ...
↧