The document contains code examples that demonstrate different data types in C#, including writing to the console, reading user input, numeric formatting, overflow handling, floating point numbers, enumerations, and arrays. Specifically, it shows how to: 1) Write and read from the console using Console.Write and Console.ReadLine methods. 2) Format numeric output using formats like currency, integer, exponential, etc. 3) Demonstrate overflow for byte data type values beyond its range. 4) Define and use enumerations to represent day names. 5) Initialize and access elements of an integer array.