Kotlin Concepts

Basic Type

Number

Boolean

Character

String

Array

Type Check and Cast

Conditions and loops

Returns and jumps

Exceptions

Package

Import

Class

Inheritance

Property

Interface

Functional Interface

Visibility Modifiers

Extensions

Data Class

Sealed classes and interfaces

Generics: in, out, where

Nested and inner classes

Enum classes

Inline value classes

Object expressions and declarations

Delegation

Delegated properties

Type aliases

Functions

Lambdas

Inline functions

Operator overloading

Builders

Null Safety

Equality

This expressions

Asynchronous programming techniques

Annotations

Destructuring declarations

Reflection