02. The main() function

03. Variables

04. Basic built-in types

05. Default values (null)

06. Final and const

07. Working with strings

08. Booleans, IF statements and type safety

09. Lists

10. Sets

11. Maps

12. Functions: Basics

13. Functions: @required annotation

14. Functions: They're first class objects

15. Functions: Anonymous functions

16. Scope

17. Operators: Arithmetic

18. Operators: Equality

19. Operators: Assignment

20. Operators: Logical

21. Conditional expressions

22. More IF statements

23. Looping