One hour Kotlin guide for beginners

Compact and quick Kotlin guide from Kotlin basic to OOP programming.

Last updated 6/2018

English

What you'll learn

3 sections • 16 lectures • 1h 20m total length

Introduction3:47
Learn how Kotlin runs on the JVM and covers Android and web apps. Explore Java interoperability, Spring support, and modern features like lambda expressions, extension, and null safety.
Setup4:45
Install Java Development Kit(JDK)
Install IntelliJ IDEA
Create a project and test Hello World

Kotlin file structure & package7:09
File Structure
What is package?
Import properties & functions
Default packages
Variables4:11
Defining variable
Mutable and Immutable variables
Variable assignment
Nullable and non-nullable variables
Data type, type check & casting7:29
Data types (number types, String, Any, Unit and Nothing)
Type checking and smart casting
Type casting
Array, List & Map5:52
Array
Collection type - List ,Map and Set
Mutable and Immutable collection types
Functions3:38
Defining functions
Single expression function
Function overloading
Default argument
Named argument
Conditional expressions4:19
if
statement VS expression
when
Loops5:39
for loop
while and do while loop
break, continue with label
Properties4:33
What is a property
get() and set()
Custom accessors
lateinit and lazy4:29
init block
lateinit
by lazy block
Null safety4:46
Null safety
Nullable VS non-nullable
Null safety call operator
Elvis operator
Throw exception operator
Null safe cast

Class7:53
Defining classes
Creating objects
Constructors
Primary constructor and Secondary constructor
this()
Inheritance2:49
Function override
super
Casting with as
Casting a nullable object
Abstract class & interface5:21
Abstract functions
Abstract properties
Abstract classes
Interfaces
Visibility modifiers3:43
Visibility modifier is…
Visibility scope
Visibility modifiers to property
Visibility modifiers to constructor

One hour Kotlin guide for beginners is designed for students who are familiar with Object Oriented Programming(OOP).

You will learn the basic knowledge of Kotlin language and OOP programming with Kotlin.

1. Objectives

2. Contents

Kotlin OOP Programming
1. Class
2. Inheritance
3. Abstract class, interface
4. Visibility modifie