What is the difference between a statement and an expression?

What is the difference between an overloaded operator and a function?

What ways can you introduce a new type into C++?

Which cast operator is best suited for numeric values?

What happens when you assign an int variable to a double value?

Which cast operator is best suited for downcasting through polymorphic hierarchies?

Why are ANSI casts preferred over C-style casts?

What is a situation that you might find the reinterpret_cast used in a reasonable way?