DRY principle

E97054

The DRY (Don't Repeat Yourself) principle is a software development guideline that emphasizes reducing repetition by centralizing logic and data to improve maintainability and reduce errors.

Aliases (1)

Statements (50)
Predicate Object
instanceOf software development principle
software engineering guideline
abbreviation DRY
aimsTo improve consistency
improve maintainability
reduce errors
simplify changes
appliesTo build scripts
configuration management
database schemas
documentation
source code
test cases
canBeViolatedBy copy-paste programming
duplicated business rules
duplicated configuration values
canLeadTo over-abstraction if misapplied
contrastedWith WET code
shotgun surgery
encourages abstraction
centralizing business logic
centralizing configuration
centralizing validation rules
modular design
reuse of code
single source of truth
focusesOn reducing duplication of code
reducing duplication of data
reducing duplication of logic
fullName Don’t Repeat Yourself
helpsWith avoiding divergence of duplicated logic
improving readability
improving testability
reducing bug surface area
reducing maintenance cost
isMentionedIn software engineering literature
isUsedIn API design
functional programming
object-oriented programming
procedural programming
web application development
originatedIn software engineering community
relatedTo KISS principle
Single Responsibility Principle
YAGNI principle
code reuse
refactoring
supports clean architecture
domain-driven design
layered architecture

Referenced by (3)
Subject (surface form when different) Predicate
Django
designGoal
DRY principle ("Don’t Repeat Yourself")
fullName
The Pragmatic Programmer
hasConcept

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