This gives the OOPs model significance and makes it diverse in its implementation. The concept of “objects” allows the OOPs model to easily access, use and modify the instance data and methods, interact with other objects, and define methods in runtime (during the execution of the program).
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The term “ characteristics” refers to the “what” about the Object, and the term “ behavior” refers to the “how” about the Object.įor example, if we consider a car, then based on the OOPs model:
So the Objects are considered the instance of a class, and are therefore sometimes called “ instances”. In simple language, a class can be considered as the blueprint or template, based on which objects can be created. Objects can be considered as real-world instances of entities like class, that contain some characteristics and behaviors specified in the class template. OOPs, or Object-Oriented Programming is a programming model or paradigm which revolves around the concept of “ OBJECTS”. What will be the output of the below code? Can we run a Java application without implementing the OOPs concept? What is meant by Garbage Collection in OOPs world? What are access specifiers and what is their significance? How is an abstract class different from an interface? What is the difference between overloading and overriding? What are the various types of inheritance? Are there any limitations of Inheritance? Are class and structure the same? If not, what's the difference between a class and a structure? What are the various types of constructors in C++? Is it always necessary to create objects from class? What is Compile time Polymorphism and how is it different from Runtime Polymorphism? What are some other programming paradigms other than OOPs?
What are some major Object Oriented Programming languages?
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