Polymorphism/Overloading Real Application Use in C# .NET

Q. What is Polymorphism and what are its types? When to use polymorphism?
Q. What is Method Overloading? In how many ways a method can be overloaded?
Q. When should you use method overloading in real applications?
Q. If two methods are same except return type, then methods are overloaded or what will happen?

[theekshanmi]

Could you please give the Detailed explanation of dependency injection concept in C# with examples in real-time senarios, like Constructor injection, Setter injection, Method injection. Interview questions for DI pattern. I have already seen why to use DI, What is DI in yours channel.
As it is very important topic i am asking in detail explanation.Yours way of explanation is very understandable.

[eshwarmoorthy]

Thank you sir for giving more and more videos.very useful for our interview preparation.