SOLID principles with examples

SOLID is the acronym for five basic principles that intend to make software design it is simpler and easier to understand and also reduces maintenance costs.

What is SOLID in software development:

The SOLID principles are a valuable set of guidelines for developing high-quality software.

Developers can create software that is easier to understand, maintain, and extend by adhering to these principles.

SOLID aims to achieve high cohesion and low association in our programs.

solid principles

Let’s look at examples of what each principle is about and how to use it.

Single responsibility principle

This principle refers to the unique responsibility that each program should have with a specific and limited task. Read more

Open/closed principle

The open/closed principle says that every class, module, method, etc. should be open for an extension but must be closed for modification. Read more

Liskov substitution principle

The Liskov substitution principle says If we have a class A and a class B that inherits from A, we can use an object of B where an object of A is expected and the program will still work properly. Read more

Interface segregation principle

This principle about “segregated interfaces” says that any client should not be required to depend on methods they do not use. Read more

Dependency inversion principle

This principle about the inversion of dependencies allows us to decouple different modules of software. Read more

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