All Questions
4 questions
152votes
6answers
118kviews
What is the point of having every service class have an interface? [duplicate]
At the company I work at, every service class has a corresponding interface. Is this necessary? Notes: Most of these interfaces are only used by a single class We are not creating any sort of ...
- 1,847
3votes
5answers
2kviews
Explanation of the definition of interface inheritance as described in GoF book
I am reading the first chapter of the Gof book. Section 1.6 discusses about class vs interface inheritance: Class versus Interface Inheritance It's important to understand the difference between an ...
- 5,217
9votes
4answers
5kviews
How to force "program to an interface" without using a java Interface in java 1.6
In java 1.8 they have wonderful new "default interface methods". In 1.6 how close can we come? The goal: use code to keep clients from being able to tell that a class is not a java interface. If we ...
- 118k
2votes
1answer
204views
Is it allowed to include the composition in the compositor in the Strategy Pattern
I have a range of different animals in my zoo such as turtles, birds etc. As they all share a common trait such as either swimming, flying etc., I thought a strategy pattern would be appropriate to ...
- 129
