Summary  
This chapter covers how to manipulate and format text using string operations such as concatenation, indexing and slicing, and built-in methods for searching, replacing, and transforming characters.

General domain of usage  
Data processing

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.

Strings: Working with Text

Strings: Working with Text