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The concept of encapsulation in OOPs allows the wrapping up of methods and variables together. Inheritance can be multiple, single, multilevel, hierarchical and hybrid. It can use the methods and fields of the parent class. Here, a child class can inherit the properties of the parent class. Inheritance in OOPs is the concept through which a class inherits the properties of another class. It hides the implementation details from the user by showing only necessary details.
OOPS INTERVIEW QUESTIONS CODE
During method call, the type and number of arguments will decide which function will be executed.Ībstraction is the process of code protection that hides the private details that must not be altered. Another method Add(a,b) has two arguments a and b, which adds the two parameters passed on by the user. They will be differentiated using the type and number of arguments during the function call.įor example, a method called Add() has no arguments.
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In polymorphism, two programs can have the same name, but different functionalities. Code written in OOP can be tested easily.OOPS provides greater flexibility while coding than many programming paradigms. Through polymorphism, classes with the same name can be used for different functions by altering the arguments and code inside them.The code can be protected through data abstraction that hides the private details that must not be altered.The code can be reused as the programs are written through different classes.The programs written using the concept are easier to understand than Procedural programming.What are the advantages of OOPS concepts? Concepts like polymorphism, abstraction, and encapsulation are part of OOPS methodology. Object Oriented Programming (OOPS) is the programming methodology that is based on real-world objects and their definitions.