Essential Books
0 Getting started with Kotlin
1 Extension Methods
2 Java 8 Stream Equivalents
3 Interfaces
4 Generics
5 Functions
6 Null safety
7 Idioms
8 Enum
9 Reflection
10 Configuring Kotlin build
11 Conditional Statements
12 Loops
13 Logging
14 Annotations
15 Class Inheritance
16 Arrays
17 Vararg Parameters In Functions
18 Basic Lambdas
19 Type-Safe Builders
20 Kotlin Caveats
21 JUnit
22 Exceptions
23 Strings
24 Regex
25 Collections
26 Type aliases
27 Kotlin Android Extensions
28 Visibility Modifiers
29 DSL Building
30 Kotlin for Java Developers
31 Ranges
32 RecyclerView
33 Singletons
34 Delegated properties
35 Class Delegation
36 Basics of Kotlin
37 coroutines
38 Contributors