Category:Programming paradigm/Object-oriented: Difference between revisions
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{{feature|Programming paradigm}}'''Object-oriented programming''' (OOP) is a programming paradigm that uses "objects" to design applications and computer programs. It utilizes several techniques from previously established paradigms, including [[inheritance]], modularity, interfaces, [[polymorphism]], and encapsulation. Even though it originated in the 1960s, OOP was not commonly used in mainstream software application development until the 1990s. Today, many popular programming languages (such as [[Ada]], [[Java]], [[JavaScript]], [[C sharp|C#]], [[Visual Basic .NET|VB.Net]], [[C++]], [[Python]], [[PHP]], [[Ruby]] and [[Objective-C]]) support OOP.
Object-oriented programming may be seen as a collection of cooperating objects, as opposed to a traditional view in which a program may be seen as a collection of functions, or simply as a list of instructions to the computer. In OOP, each object is capable of receiving messages, processing data, and sending messages to other objects. Each object can be visualized as an independent little machine with a distinct role or responsibility. A distinction can be sometimes made between [[wp:Class-based_programming|class-based]] and [[wp:Prototype-based_programming|prototype-based]] (also known as [[Classless-objects|classless or class-free]]) forms of object-oriented programming.
An '''object-oriented programming language''' (also called an OO language) is one that allows or encourages, to some degree, object-oriented programming techniques such as
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