What is a nullreferenceexception and how do I fix it?
How to declare a property in a class?
Can you override private virtual methods?
How do you prevent a class from being inherited in c#?
What is the difference between ienumerable and enumerator?
Is stringbuilder faster than string concatenation c#?
What is application object in c#?
What are the Types of optimization and name a few and how do u do?
Why do we use interface in c#?
What are extension methods and where can we use them?
What’s difference between Association, Aggregation and Inheritance relationships?
What are different properties provided by Object-oriented systems?
If a base class has a bunch of overloaded constructors, and an inherited class has another bunch of overloaded constructors, can you enforce a call from an inherited constructor to an arbitrary base constructor?