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can be called without creating an object of class. when class is static, it can be used without objects.Java fails condition 5( all predefined types are objects) & 7( operations performed on objects must be only through methods exposed at objects) All operations performed on objects must be only through methods exposed at objects.To fulfill pure OOP, language must satisfy all 7 conditions: Java is not a pure object-oriented language. But there are different programming paradigms like: (reference: SO) There is no "opposite" of object -oriented proramming. There is still the question of "is purely object-oriented?" Depending on whether programming language has satisfied some / all OOP conditions we can then say "yes" or "no".Įven if the answer is "yes" programming language is OO. To be OOP language, programming language has to satisfy a list of OOP condition / properties. as seen in previous section that are also different "styles" of OOP (object-based & class-based).įrom some articles we can also see the question "Is a OOP langauge?" is not a straight forward yes or no answer. Program is broken down into segments of objects that communicate with each other. OOP is a programming paradigm based on the concept of "objects". Reference: wiki & educative & educative - Oop JS javascript) What is Object-oriented programming Opposite of class based is protoype-based / object-based (eg. prototype: ca remove or add properties of any object at run time.class created at compile time & objects instantiated at compile or run time.cannot change type / number of properties after class definition.(call another object in the constructor function of subclass) prototype: associate object with any construtor function.create heirachy via class definition Manager extends Employee.constructor function creates object with initial set of properties & values prototype : class definition not separate from constructor.define class in class definition & specify methods (constructors) to create instances of the class.start with an instance / object & modify it. Reference: mozilla developer docs & stack overflow & zendesk & wikipediaĬlass based programming / class-orientation is a style of Object-oriented programming (OOP)Ĭlass-based: makes distinction between objects & class.
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Opposite of statically typed is dynamically-typed (eg.
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