In object-oriented programming and software engineering, the visitor design pattern is a way of separating an algorithm from an object structure on which it operates.

Object-oriented programming (OOP) is a programming paradigm based on the concept of objects fundamental to many programming languages, including Java and C++. OOP can be devided in two sub types: ...

JavaScript is a lightweight, interpreted, object-oriented programming language with first-class functions most commonly known as a scripting language for web pages.