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Multiple inheritance. Multiple inheritance is a feature of some object-oriented computer programming languages in which an object or class can inherit features from more than one parent object or parent class. It is distinct from single inheritance, where an object or class may only inherit from one particular object or class.
Encapsulation is a technique that encourages decoupling. All object-oriented programming (OOP) systems support encapsulation, [2][3] but encapsulation is not unique to OOP. Implementations of abstract data types, modules, and libraries also offer encapsulation. The similarity has been explained by programming language theorists in terms of ...
In object-oriented programming, inheritance is the mechanism of basing an object or class upon another object (prototype-based inheritance) or class (class-based inheritance), retaining similar implementation. Also defined as deriving new classes (sub classes) from existing ones such as super class or base class and then forming them into a ...
A class diagram exemplifying the singleton pattern. In Object-oriented programming, the singleton pattern is a software design pattern that restricts the instantiation of a class to a singular instance. One of the well-known "Gang of Four" design patterns, which describes how to solve recurring problems in object-oriented software. [ 1 ]
A violation of this constraint can be exemplified by defining a mutable point as a subtype of an immutable point. This is a violation of the history constraint, because in the history of the immutable point, the state is always the same after creation, so it cannot include the history of a mutable point in general. Fields added to the subtype ...
The builder pattern is a design pattern that provides a flexible solution to various object creation problems in object-oriented programming. The builder pattern separates the construction of a complex object from its representation. It is one of the 23 classic design patterns described in the book Design Patterns (often referred to as the ...
t. e. In programming language theory and type theory, polymorphism is the use of a single symbol to represent multiple different types. [ 1 ] In object-oriented programming, polymorphism is the provision of a single interface to entities of different types. [ 2 ] The concept is borrowed from a principle in biology where an organism or species ...
Coupling (computer programming) In software engineering, coupling is the degree of interdependence between software modules; a measure of how closely connected two routines or modules are; [1] the strength of the relationships between modules. [2] Coupling is not binary but it is multi-dimensional. [3] Coupling is usually contrasted with cohesion.