Day 1 learning C#: variables and data types

An introductory C# lesson covers statements, literals, console output methods, and basic data types.

It explains how statements form instructions, and how literals represent fixed values in code.

The lesson highlights the difference between Console.Write() and Console.WriteLine(), which affects line breaks in output.

It also reviews common beginner mistakes and introduces core built-in types like string, char, int, decimal, and bool.