The SOLID principles are a set of design principles that make object-oriented design more understandable, flexible, and maintainable. These principles were introduced by Robert C. Martin and are foundational for writing robust software. They help developers create systems that are easy to manage and extend.
The SOLID Principles
Simple Explanation: I will focus solely on the tasks and responsibilities that align with my skills and expertise.
Definition: A class should have only one reason to change. In other words, a class should have only one job or responsibility.
Purpose: By adhering to SRP, you ensure that your classes are modular and focused. This makes it easier to maintain and modify them without affecting other parts of the system.
Simple Explanation: I’m open to taking on additional tasks or responsibilities, but I will continue to fulfill my existing work commitments.
Definition: Software entities (classes, modules, functions, etc.) should be open for extension but closed for modification.
Purpose: This principle helps to extend the functionality of a system without altering existing code, thus reducing the risk of introducing bugs.
Simple Explanation: At some point, every child must take on responsibilities that were previously handled by their parents.
Definition: Objects of a superclass should be replaceable with objects of a subclass without affecting the correctness of the program.
Purpose: This principle ensures that a subclass can stand in for its superclass without unexpected behavior, promoting a more reliable and predictable system.
Simple Explanation: I will focus on tasks I’m skilled at and won’t take on tasks outside my expertise.
Definition: Clients should not be forced to depend on interfaces they do not use.
Purpose: This principle advocates for creating small, specific interfaces rather than a large, general-purpose one. This leads to more modular and easy-to-understand code.
Simple Explanation: I can handle any task on my own and shouldn’t rely on others.
Definition: High-level modules should not depend on low-level modules. Both should depend on abstractions. Abstractions should not depend on details. Details should depend on abstractions.
Purpose: This principle helps in reducing the coupling between high-level and low-level components by introducing abstractions, making the system more flexible and easier to manage.
Definition: The KISS principle is a reminder to keep your designs as simple as possible. Avoid complexity and unnecessary complications.
Purpose: Simplicity in design leads to more understandable and maintainable code. This principle encourages developers to avoid over-engineering and focus on straightforward solutions.
Sarcastic Note: Because who doesn’t love a good spaghetti code mess? If you’re into writing cryptic code that takes a PhD to decipher, by all means, ignore the KISS principle. After all, who needs simplicity when you can have complexity? 😏
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