Why do we use Singleton pattern in C#?
One of the commonly used design patterns in C# is the singleton pattern. This design pattern uses a single instance of a class to enable global access to the class members. Instead of having several instances of the same class, singletons have just one instance, and provide convenient access to that single instance.
Can singleton class be inherited?
Unlike static classes, Singleton classes can be inherited, can have base class, can be serialized and can implement interfaces.
How many design patterns are there?
23 design patterns
As per the design pattern reference book Design Patterns – Elements of Reusable Object-Oriented Software , there are 23 design patterns which can be classified in three categories: Creational, Structural and Behavioral patterns.
What are some design pattern interview questions?
Here are some design pattern interview questions you may receive, along with sample answers: 1. What are design patterns? The interviewer is likely to start the interview with one or two simple questions. Your answer reveals your knowledge of design patterns. Explain what you understand about design patterns in a few sentences.
What are the prerequisites to learn Dotdot design patterns?
Dot Net Design Patterns Questions and Answers, and many more as we progress. You should have prior knowledge of C#, ASP.NET MVC, ASP.NET Web API, SQL Server, ASP.NET Core, Design Patterns. That does not mean you need to be a master of these technologies but what is required is some basic knowledge.
What is dot net interview questions and answers?
This Dot Net Interview Questions and Answers are designed for beginners as well as experienced programmers looking for a change in their job.
How do you describe the factory pattern in an interview?
Describe the factory pattern. This question gives the interviewer an idea of whether you only know the outline of design patterns or have a specific and detailed understanding of your subject. Developers use factory design patterns commonly, and your answer gives them insights into the depth of your knowledge and your expertise in factory patterns.