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In object-oriented computer programming, the term SOLID is a mnemonic acronym for five design principles intended to make software designs more understandable, flexible and maintainable. The principles are a subset of many principles promoted by Robert C. Martin. Though they apply to any object-oriented design, the SOLID principles can also form a core philosophy for methodologies such as agile development or adaptive software development. The SOLID acronym was introduced by Michael Feathers.
Video SOLID (object-oriented design)
Concepts
- Single responsibility principle
- a class should have only a single responsibility (i.e. changes to only one part of the software's specification should be able to affect the specification of the class).
- Open/closed principle
- "software entities ... should be open for extension, but closed for modification."
- Liskov substitution principle
- "objects in a program should be replaceable with instances of their subtypes without altering the correctness of that program." See also design by contract.
- Interface segregation principle
- "many client-specific interfaces are better than one general-purpose interface."
- Dependency inversion principle
- one should "depend upon abstractions, [not] concretions."
Maps SOLID (object-oriented design)
See also
- Code reuse
- Inheritance (object-oriented programming)
- Package principles
- Don't repeat yourself
- GRASP (object-oriented design)
- KISS principle
- You aren't gonna need it
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References
Source of article : Wikipedia
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