Type Basics

Question 1

What is a predefined type in C#?

Answer 1

Predefined types (also called built-in types) are types that are specially supported by the compiler.

Question 2

What is the int type?

Answer 2

The int type is a predefined type for representing the set of integers that fit into 32 bits of memory, from −231 to 231−1.

Question 3

What is a top-level statement?

Answer 3

Top-level statements (from C# 9) let you avoid the baggage of a static Main method and a containing class.