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One hour Kotlin guide for beginners

  • Compact and quick Kotlin guide from Kotlin basic to OOP programming.
  • Free tutorial
  • Rating: 4.0 out of 54.0 (754 ratings)
  • 16,024 students
  • 1hr 20min of on-demand video
  • Created by Tutlets Kkang
  • English

What you’ll learn

  • Kotlin basic programming and object oriented programming with Kotlin


  • Be familiar with OOP(Object Oriented Programming) language like Java or C++.


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

  • Kotlin Basic programming
  • Object Oriented Programming

2. Contents

  • Welcome to Kotlin
    1. Introduction
    2. Setup
  • Kotlin Basic
    1. Kotlin file Structure & Package
    2. Variable
    3. Data type
    4. Array, List, Map, Iterator
    5. Function
    6. Conditional Expression
    7. Loop
    8. Property
    9. lateinit, lazy
    10. Null Safety
  • Kotlin OOP Programming
    1. Class
    2. Inheritance
    3. Abstract class, interface
    4. Visibility modifie

Who this course is for:

  • Java or Android app developers.

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Course content

3 sections β€’ 16 lectures β€’ 1h 20m total lengthCollapse all sections

Introduction2 lectures β€’ 9min

  • Introduction03:47
  • Setup04:45

Kotlin Basic10 lectures β€’ 52min

  • Kotlin file structure & package07:09
  • Variables04:11
  • Data type, type check & casting07:29
  • Array, List & Map05:52
  • Functions03:38
  • Conditional expressions04:19
  • Loops05:39
  • Properties04:33
  • lateinit and lazy04:29
  • Null safety04:46

Kotlin OOP4 lectures β€’ 20min

  • Class07:53
  • Inheritance02:49
  • Abstract class & interface05:21
  • Visibility modifiers03:43

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