Software Development & Design Principles Flashcards
7 cards from real CPA practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Software Development & Design Principles flashcards as text
Which SOLID principle states that a class should have only one reason to change?
Answer: Single Responsibility Principle
The Single Responsibility Principle (SRP) states that a class should have only one responsibility and therefore only one reason to change.
In the context of design patterns, which pattern provides a simplified interface to a complex subsystem?
Answer: Facade
The Facade pattern defines a simplified interface that makes a complex subsystem easier to use.
What does the term 'cohesion' refer to in software design?
Answer: The degree to which elements within a module belong together
Cohesion measures how closely related and focused the responsibilities of a single module or class are.
Which Agile ceremony is used to inspect the increment and adapt the Product Backlog?
Answer: Sprint Review
The Sprint Review is held at the end of a Sprint to inspect the increment and adapt the Product Backlog if needed.
What is the primary purpose of refactoring code?
Answer: Improving code structure without changing external behavior
Refactoring improves the internal structure of code while preserving its observable behavior.
Which design pattern separates the construction of a complex object from its representation?
Answer: Builder
The Builder pattern separates the construction of a complex object from its representation, allowing different representations to be created.
In Test-Driven Development (TDD), what is the correct order of steps?
Answer: Write test, write code, refactor
TDD follows the Red-Green-Refactor cycle: write a failing test first, write code to pass it, then refactor.