Summary  
This chapter explains how to use the `final` and `const` keywords to create immutable values in Dart, highlighting that `final` variables are assigned once at runtime while `const` variables are compile-time constants and can be used in constant constructors and collections.

General domain of usage  
Flutter application development

Master the essentials of variables and data types in Dart. This course guides absolute beginners through Dart's variable declarations, type inference, core data types, and null safety, using engaging explanations and real-world themed challenges.

Explore how to declare variables in Dart, the difference between var, final, and const, and how type inference works compared to explicit typing.

Dive into Dart's essential data types: int, double, bool, String, and num. Learn how and when to use each type.

Understand Dart's approach to null safety, including nullable and non-nullable types, default values, and null checks.

Working with final and const

Working with final and const