OOP: Instance variables, Class variables & Local variables

10 July 2016 by jim

Table of contentsIntroductionInstance variablesClass variablesLocal variablesExampleCode (Java)Identifying variablesDeclaration and accessConclusionIntroduction Variables form an essential part of every application for storing, retrieving and generating dynamic data. In OOP (Object-Oriented Programming) there are three main types of variables which provide slightly different functionality; Instance variables, Class variables and Local variables. Instance variables An instance variable is a […]

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OOP: Writing a class and creating objects

8 July 2016 by jim

Table of contentsIntroductionExamplesJavaPHPConclusionIntroduction Classes and objects are a key principal of OOP (Object-Oriented Programming). The idea behind OOP is that classes are created to represent a real world entity; this real world entity could be a tangible object, such as a person or a car, or an intangible object, such as a job position or a […]

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