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SRP – Single-responsibility principle of SOLID object-oriented design

“The single-responsibility principle (SRP) is a computer-programming principle that states that every moduleclass or function in a computer program should have responsibility over a single part of that program’s functionality, and it should encapsulate that part. All of that module, class or function’s services should be narrowly aligned with that responsibility.[1]” (WP)

Robert C. Martin, the originator of the term, expresses the principle as, “A class should have only one reason to change,”[1] although, because of confusion around the word “reason” he more recently stated “This principle is about people.”[2]” (WP)

SOLID
Principles of Object-Oriented Design
SSingle responsibility principle – SRP
OOpen–closed
LLiskov substitution principle – LSP
IInterface segregation principle – ISP
DDependency inversion – DI

” (WP)

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