Pergunta de entrevista da empresa Future Focus Infotech

Explain what is an Interface in C#? What is the difference between class inheritance and interface inheritance? Can an interface inherit from another interface? Can you create an instance of an interface? What do you mean by "Explicitly Implemeting an Interface". Give an example? What is a partial class. Give an example? What is a Destructor? Can a class have more than 1 destructor? Is it possible to force garbage collector to run? What are Access Modifiers in C#? Explain polymorphism in C# with a simple example? What is an abstract class? An abstract class is an incomplete class and must be implemented in a derived class. Can you create an instance of an abstract class? No, abstract classes are incomplete and you cannot create an instance of an abstract class. What is a sealed class? Give some examples for built in datatypes in C#? What are the 2 types of data types available in C#? What is Boxing and Unboxing?