Name key elements of Object-Oriented systems. Note : no plagiarism please Name key elements of Object-Oriented systems. Name key elements of Object-Oriented systems. Name key elements of Object-Oriented systems. Note : no plagiarism please Solution there are 3 basic elements of object oriented system.they are:- 1.inheritance 2.polymorphism 3.encapsulation Inheritance:- inheritance is a concept where a class or an object can get the properties of its parent or sibling class,for example let us consider A is a parent class and it has a method called read_me().and B is another class inherited from class A.so using inheritance B class also has access rigths or can explicitly use the read_me() method from A. polymorphism:- (poly-many) (morph-forms) polymorphism is an ability of an object to take on many forms.in general sense polymorphism means a parent class refering the child class object encapsulation:- encapsulation in oop is nothing but binding or grouping of methods and member function in a class.