Oops Interview Q&A -

1. Can an abstract class have a constructor in C#? Answer: Yes, an abstract class can have a constructor. Although you cannot instantiate an abstract...

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Capgemini Cognizant Cybage Frequently Asked HCL L & T Oops Interview Q&A

Interview Series: Abstract Class vs Interface in C#

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4 August 202120 September 2024

Interview Series: Abstract Class vs Interface in C# Interviewer Question 1: What is the basic difference between an abstract class and an interface in C#?...

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.NET Core .NET Interview Q&A C#.NET Frequently Asked Oops Interview Q&A System Design Interview Q&A Unlocking Careers

Overview of some popular design patterns in each category, along with their use cases in .NET Core

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23 June 202021 September 2024

Design Patterns in .NET Core Design Patterns in .NET Core Design patterns are critical for writing scalable and maintainable applications in .NET Core. They allow...

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Difference between static class and singleton pattern?

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2 June 201624 September 2024

Static Class: A static class in C# is used to group utility functions or methods that don’t require an instance of the class. Static classes...

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Frequently Asked IBM Oops Interview Q&A TCS

Why do we use virtual and override?

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26 May 201512 September 2024

http://stackoverflow.com/questions/7875580/why-do-we-use-virtual-and-override http://www.codeproject.com/Articles/18734/Method-Overriding-in-C http://programcall.com/25/csnet/method-overriding-in-csnet.aspx

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C#.NET IBM L & T Oops Interview Q&A TCS

Interface in C# using an example

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26 May 2015

http://www.onlinebuff.com/article_implementing-interface-in-c-with-an-example_18.html http://www.codeproject.com/Articles/18743/Interfaces-in-C-For-Beginners

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C#.NET Oops Interview Q&A Programming Languages

What are Modifiers in C#? Why can’t you specify the accessibility modifier for methods inside the interface?

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23 May 201428 September 2024

Modifiers in C# are keywords that define the accessibility, behavior, and scope of classes, methods, fields, properties, and other members. They determine how a class...

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Commonly Used Types of Exceptions in .NET, C#, ASP.NET, .NET Core, and API

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23 May 201428 September 2024

Exceptions are critical in C# and .NET for handling errors and ensuring robust application performance. When an error occurs, exceptions provide detailed information that helps...

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C#.NET Oops Interview Q&A Technical Explorations

What is Classes and Objects in C# .NET ?

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23 May 201427 September 2024

What are Classes and Objects in C# .NET? In C#, classes and objects are fundamental building blocks of object-oriented programming. A class serves as a...

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