SOLID Principles Sketches

Oleksii Trekhleb - Oct 5 '22 - - Dev Community

I've recently launched the minimalistic drawing app okso.app that allows you to do interactive (nested) sketches. And, as a continuation of my previous S.O.L.I.D. Principles Around You article, I've organised it in interactive sketches that you may find here.

Check what I've got:

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So, each SOLID principle has a dedicated sketch page that look like the following

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Single Responsibility Principle

SRP Sketch

A class should have only a single responsibility. Only one potential change in the software’s specification should be able to affect the specification of the class.

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Open/Closed Principle

OCP Sketch

Software entities should be open for EXTENSION, but closed for MODIFICATION. Allow behavior to be extended without modifying the source code.

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Liskov Substitution Principle

LSP Sketch

Objects in a program should be replaceable with instances of their subtypes without altering the correctness of that program.

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Interface Segregation Principle

ISP Sketch

Many client-specific interfaces are better than one general-purpose interface. No client should be forced to depend on methods it does not use.

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Dependency Inversion Principle

DIP Sketch

One should depend upon abstractions, not concretions.

  • 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.

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In the future I plan to add more visual explainers like this one to the okso.app showcase. Currently there is a Data Structures sketch is available that is done in a similar style as SOLID one. I hope having such visual explainers in one place will be convenient for you.

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