oops interview questions with realtime examples

46. How the object generations come in the picture? Required fields are marked *, UPGRAD AND IIIT-BANGALORE'S PG DIPLOMA IN SOFTWARE DEVELOPMENT. So, Abstract class is the special type of class which can contain the abstract and concrete members. Explain the difference between multiple and multi-level inheritance, List and explain a couple of differences between types of inheritances. The programming world and the languages have come a long way since the inception of programming languages. Java doesn't allow multiple inheritance of classes, but allows. Is this method different from Finalize ()? This is the Garbage Collector responsibility to create this object graph and gets the references of each reachable object which are used by the application. 6. It makes the interpreter put more effort to understand the actual functionality of the operator making code complex and difficult to compile. Q #9) How many types of inheritance are present? Understanding these concepts and the questions that are asked will help you prepare well for a job interview and tackle the real-world programming assignments. Can you please explain the concept of inheritance with an example? Object-oriented programming takes some time to master. In-depth understanding is mandatory of all object-oriented features like class, object, abstraction, encapsulation, inheritance, polymorphism, and applying these concepts in a programming language like Java to achieve customer requirements. What is meant by static polymorphism? Hence after implementation of Dispose() method, we need not to reclaim the memory using the Garbage collector and so we can use the SuppressFinalize() for the current class object. To overcome this problem java allows to implement multiple Interfaces. So you can prepare them accordingly. Answer: Inheritance means one class (sub class) acquiring properties of another class (super class) by inheritance. 42 Exciting Python Project Ideas & Topics for Beginners [2020], Top 9 Highest Paid Jobs in India for Freshers 2020 [A Complete Guide], PG Certification in Full Stack Development with Job Guarantee* - Duration 5 Months, PG Diploma in Software Development Specialisation in Full Stack Development from IIIT-B - Duration 12 Months, PG Diploma in Software Development Specialisation in Cyber Security IIIT-B - Duration 12 Months. No, it is possible to call a base class method if it is defined as a static method. What is difference between internal class and sealed class. What are the differences between interfaces and abstract classes? The information on this site is provided as a courtesy. This is known as abstraction. For example, by using Inheritance you can define new user types in an Authentication System and by using Polymorphism you can take advantage of already written authentication code. 2. Methods and variables using static binding are private, final and static types. To access the same name data members of parent class when they are present in parent and child class. It can be achieved by pointers and virtual functions. What is Object-oriented programming?

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