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In software programming, SOLID is a mnemonic acronym for five design principles intended to make object-oriented designs more understandable, flexible, and maintainable. Although the SOLID principles apply to any object-oriented design, they can also form a core philosophy for methodologies such as agile development or adaptive software ...
Liskov's notion of a behavioural subtype defines a notion of substitutability for objects; that is, if S is a subtype of T, then objects of type T in a program may be replaced with objects of type S without altering any of the desirable properties of that program (e.g. correctness).
In the field of software engineering, the interface segregation principle (ISP) states that no code should be forced to depend on methods it does not use. [1] ISP splits interfaces that are very large into smaller and more specific ones so that clients will only have to know about the methods that are of interest to them.
In the 2000s the object-oriented Java (orange) and the procedural C (dark blue) competed for the top position. Many popular programming languages, like C++, Java, and Python, use object-oriented programming. In the past, OOP was widely accepted, [62] but recently, some programmers have criticized it and prefer functional programming instead. [63]
Object-oriented analysis and design (OOAD) is a technical approach for analyzing and designing an application, system, or business by applying object-oriented programming, as well as using visual modeling throughout the software development process to guide stakeholder communication and product quality.
Design Patterns: Elements of Reusable Object-Oriented Software (1994) is a software engineering book describing software design patterns.The book was written by Erich Gamma, Richard Helm, Ralph Johnson, and John Vlissides, with a foreword by Grady Booch.
A 2013 study of 93 open source Java programs (of varying size) found that: While there is not huge opportunity to replace inheritance with composition (...), the opportunity is significant (median of 2% of uses [of inheritance] are only internal reuse, and a further 22% are only external or internal reuse).
AP Computer Science Principles is an introductory college-level course in computer science with an emphasis on computational thinking and the impacts of computing. The course has no designated programming language, and teaches algorithms and programming , complementing Computer Science A. [ 8 ]