In OOPs, it is referred to as the process through which some data, object, method, or code behaves differently under multiple contexts or circumstances. So, polymorphism can be described as an object that has different shapes. What is Polymorphism? #Īnswer: Let’s understand polymorphism by separating the term into two words that form it: In simple terms, all the necessary methods and data are put together, and the unnecessary details are hidden from the users.ĭata binding: Encapsulation is a process of binding data members along with the methods together as a class or as a whole. Data hiding: Encapsulation is a process of hiding unnecessary information, such as access restrictions to the member of an object, etc. What is encapsulation? #Īnswer: Encapsulation is a method of putting class, variables, methods, and more inside a capsule that is required to do the work and present the same capsule to the user. Inheritance, polymorphism, and encapsulation are the fundamental elements of OOP that differentiate these features from non-OOP languages. InheritanceEncapsulationAbstractionPolymorphismMethod overridingMethod overloadingObjectsClassesConstructors and destructors What is the difference between OOP and SOP? #Īnswer: Let’s understand the difference between OOP and SOP with this table: What are the main features of OOPs? #Īnswer: Here are the main features of OOPs: It includes the Logical Programming Paradigm, Functional Programming Paradigm, and Database Programming Paradigm. It includes the Procedural Programming Paradigm, Object Oriented Programming (OOP), and Parallel Programming. Declarative Programming Paradigm: It focuses on what to execute in the program and defines its logic, not the control flow. Imperative Programming Paradigm: It focuses on how to execute logic and defines the control flow. There are two types of programming paradigms: What are some other programming paradigms than OOPs? #Īnswer: Programming paradigms are the method of categorizing programming languages based on each language’s feature. For example, you can use OOP for manufacturing system simulation software. This includes programs for design and manufacturing along with the mobile application. It is also known as a user-defined datatype. Objects are real-world entities defined via classes with specific characteristics and behavior, whereas a class is defined as the pattern for a specific object. OOPs describes real-world entities with concepts like polymorphism, hiding, inheritance, etc., and programming paradigms. Individual objects are arranged into classes. What is meant by the term OOPs? #Īnswer: Object Oriented Programming (OOP) is a programming model based on objects and classes instead of procedures and functions. So, let’s start with some frequently asked OOP interview questions. Here, characteristics are also known as properties, attributes, or data, whereas behaviors are known as procedures, methods, or functions in programming languages. It can be of any type or model, such as the car you own.Class: The car’s model or type, such as BMW, Chevrolet, Kia, Audi, and more.Characteristics: Color of the car, chassis number of the car, engine type, gear type, and more.Behavior: How to change the gear, how to start the car, and more. Here, the objects are considered as real-world instances, like a class that includes some behaviors and characteristics specified in the class template.įor example, let’s consider a car. OOP is a programming paradigm that revolves around objects. Object Oriented Programming (OOP): An Overview # Let’s look at some of the frequently asked OOP interview questions and answers to help you prepare for interviews and tests. So, if you are planning to appear for such an interview process, you must have an in-depth understanding of the OOP concepts. Major companies seek developers proficient in object-oriented approaches as well as patterns. Some OOP-based programming languages are Objective-C, Java, Ada, Perl, Python, C++, and more. OOP is one of the most necessary and needful programming paradigms, focusing on objects and classes instead of procedures and functions.
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