Kotlin study roadmap

https://kotlinlang.org/docs/reference/

• Getting Started

  • Basic Syntax

  • Idioms

  • Coding Conventions

• Basics

  • Basic Types

  • Packages and Imports

  • Control Flow

  • Returns and Jumps

• Classes and Objects

  • Classes and Inheritance

  • Properties and Fields

  • Interfaces

  • Visibility Modifiers

  • Extensions

  • Data Classes

  • Sealed Classes

  • Generics

  • Nested Classes

  • Enum Classes

  • Objects

  • Inline Classes

  • Delegation

  • Delegated Properties

• Functions and Lambdas

  • Functions

  • Lambdas

  • Inline Functions

• Other

  • Destructuring Declarations

  • Collections

  • Ranges

  • Type Checks and Casts

  • This expressions

  • Equality

  • Operator overloading

  • Null Safety

  • Exceptions

  • Annotations

  • Reflection