Introduction to Kotlin Training

In response to Google’s Kotlin-first policy for Android, every team doing Android development needs to consider Kotlin. This three-day course is an in-depth introduction to the Kotlin language. This course is appropriate for developers who already know Java and Android or those wishing to learn the Kotlin Language. This course does not teach Android development fundamentals focusing rather on the Kotlin Language.

Objectives

After completing this course, students will be able to:

Understand Kotlin language fundamentals
Create Kotlin Classes and Objects
Write functions and lambdas in Kotlin
Use Kotlin Generics
Implement Concurrency with Coroutines

Duration

Three days

Outline for Introduction to Kotlin Training

Kotlin Overview

History of Kotlin
Kotlin compared to other languages
Kotlin Features
Running Kotlin

Variables and Data Types

Numeric Types
Literals
Variables
Type Conversions

Keywords and Operators

Hard Keywords
Soft Keywords
Operators

Arrays and Strings

Arrays
Creating Arrays
Array Methods
Strings
Escaped Strings
Raw Strings

Loops and Conditionals

Loops
Ranges
Conditionals
If
When

Null Safety

Why Null Safety?
Nullable References
The Safe Call Operator
The Elvis Operator
The Not-Null Assertion Operator
Safe Casts

Object Orientation

Classes
Inheritance
Interfaces
Access
Data Classes
Sealed Classes

Functions and Lambdas

Functions
Higher Order Functions
Lambdas
Extension Functions

More Functions

Function Scope
Infix Functions
Operator Overloading
Inline Functions
Tail Recursion
Scope Functions

Advanced Object Orientation

Nested Classes
Object Expressions
Object Declarations
Companion Objects
Delegation
Generics

Collections

List
Set
Map
Collection Transformations

Concurrency

Threads
Coroutines

Calling Java from Kotlin

Calling Java from Kotlin
Issues

Calling Kotlin from Java

Java calling Kotlin
Issues

Kotlin Domain Specifi Languages (DSLs)

Domain Specifi Languages
Lambdas
Extension Functions
DSL Markers