1.6 KiB
1.6 KiB
- #CT2106 - Object-Oriented Programming
- Previous Topic: Variables & Types
- Next Topic: Introduction to Inheritance
- Relevant Slides:
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Modelling the Problem
- A major part of OOP is modelling the problem.
- The goal is to identify the principle objects in the problem domain, which we model as classes, the responsibility of each of these objects, and the collaborations between objects.
- The objective of OOP Modelling is to produce a simplified class diagram.
- Classes represent real-world entities.
- Associations represent collaborations between the entities.
- Attributes represent the data held about these entities.
- Generalisation can be used to simplify the structure of the model.
- What are nouns in OOP?
card-last-score:: 5
card-repeats:: 4
card-next-schedule:: 2022-12-15T02:37:38.303Z
card-last-interval:: 33.64
card-ease-factor:: 2.9
card-last-reviewed:: 2022-11-11T11:37:38.304Z
- Nouns are candidate objects in OOP.
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OOP Principles
- Consider the following principles when assigning responsibilities:
- An Object is responsible for its own data.
- An Object is responsibility for communicating its state.
- Single Responsibility Principle: Each Class should have a ^^single responsibility.^^
- All its services should be aligned with that responsibility.
- An Object is responsible for its own data.
- Consider the following principles when assigning responsibilities:
