1. 1. Introduction
2. 1. 1.1. Hello World
   2. 1.2. Functions
   3. 1.3. Variables
   4. 1.4. Null Safety
   5. 1.5. Classes
   6. 1.6. Generics
   7. 1.7. Inheritance
3. 2. Control Flow
4. 1. 2.1. When
   2. 2.2. Loops
   3. 2.3. Ranges
   4. 2.4. Equality Checks
   5. 2.5. Conditional Expression
5. 3. Special Classes
6. 1. 3.1. Data Classes
   2. 3.2. Enum
   3. 3.3. Sealed Classes
   4. 3.4. Object
7. 4. Functional
8. 1. 4.1. Higher Order Functions
   2. 4.2. Lambdas
   3. 4.3. ExtensionFunctions
9. 5. Collections
10. 1. 5.1. List
    2. 5.2. Set
    3. 5.3. Map
    4. 5.4. Filter
    5. 5.5. Map
    6. 5.6. Existential
    7. 5.7. Find
    8. 5.8. Firstlast
    9. 5.9. Count
    10. 5.10. AssociateBy
    11. 5.11. Partition
    12. 5.12. FlatMap
    13. 5.13. Max
    14. 5.14. Sorted
    15. 5.15. Map GetValue
    16. 5.16. Zip
    17. 5.17. GetOrElse
11. 6. Scope Functions
12. 1. 6.1. Let
    2. 6.2. Run
    3. 6.3. With
    4. 6.4. Apply
    5. 6.5. Also
13. 7. Delegation
14. 1. 7.1. DelegationPattern
    2. 7.2. DelegatedProperties
15. 8. Productivity Boosters
16. 1. 8.1. NamedArguments
    2. 8.2. String Templates
    3. 8.3. Destructuring Declarations
    4. 8.4. Smart Casts
17. 9. Kotlin JS
18. 1. 9.1. Dynamic
    2. 9.2. Js Function
    3. 9.3. External
    4. 9.4. Canvas
    5. 9.5. HtmlBuilder