Skip to content
UdemyKotlinPaid courseBeginner level

Mastering Kotlin: a Fast Guide to Null Safety (in 30 min) (Udemy.com)

Get a grip on Kotlin type system at lunch break! Put strong Kotlin skills into your toolbox for better career prospects!

Created by: Skill Centric

Last updated October 2018

icon
What you will learn

  • Understand Kotlin null safety
  • Learn the difference between nullable, not null and platform types
  • Learn to user safe call operator, Elvis operator, safe cast operator, not null assertion, let function and lateinit keyword

How it compares

Against the other 28 rated Udemy courses in Kotlin on CourseDuck:

  • Rating4.4 out of 5higher than 25% of them
  • Reviews383#19 of 29 by number of reviews
  • Length0.5 hoursshorter than 100% of them
  • Last updatedOctober 2018earlier than 75% of them

icon
Course Description

This course is a quick paced introduction into Kotlin null safe type system. 

During this 30 min course you will learn the differences between the Java and Kotlin type systems.

You will see how Kotlin will help you handle the notorious NullPointerException at compile time rather than at runtime. 

By the end of the course you will be very comfortable with Kotlin nullability which is one of the main advantages and core features of the language. 

You will find out the differences between nullable, not null and platform types.

You will learn about safe the call operator, the Elvis operator, the safe cast operator, the not null assertion, the let function and some other important techniques of working with nullable types in Kotlin.

Some knowledge of java is welcome but not required.

This course is for you if you are just starting our with Kotlin!

icon
Udemy Discount

The discount is applied through our link. Open the course from here and Udemy's current promotional price is applied at checkout on most courses, no code to type.

Some courses are excluded from Udemy's promotions. If the price does not drop, clear your browser cookies and use the button again.

icon
Instructor Details

Skill Centric

Skill Centric is an online education company providing a large variety of courses on software development. We are offering high quality tutorials made by industry experts supplied with great code examples. We are working hard to provide you with real life, hands-on skills which will help you deliver great results and advance your software development career. 

icon
More Kotlin courses

$84.99

$74.99

$74.99

$12.99

$49.99

$84.99

icon
Reviews

4.4

383 ratings on Udemy

Select a bar to show only those reviews.Select the bar again to show every rating.

By Patrick on 9/15/2022

Great course and very direct in terms of explanation of the subjects and providing specific examples

By Sakhawat Hossain on 5/7/2022

Great explanation but might have been better if the instructor can add more interactive articles.

By Nermeen Nasim on 4/20/2022

cant understand alot of things

By יהל אברמוביץ' on 1/17/2022

well he explain the basics pretty fine but I have hard time getting the "when to use each"

By Marlon Wilson on 11/16/2020

A short course and very good. But it is not recommended to beginners. Watch others videos for beginners before watch this course.

By Suraj Bhandari on 10/8/2020

Detailed explanation about how Kotlin instance work and differs from other programming languages and how to work on instances in Kotlin.

By Aleksandar Stojanovic on 9/12/2020

Concise, clear and well explained. It would be good to be able to get a certificate as well.

By Alba Portillo on 8/25/2020

I like it so much ! Thanks , make a course about Kotlin with MVVM , clean arquitecture , dagger , data binding

By Onesimo Nyathi on 2/4/2019

Topic and content are perfectly in sync. it is as explained. I understand how Kotlin is null safe, thanks to this short and to-the-point tutorial

By Andrew Jackson on 11/26/2018

Great intro to the course topic, these topics are important and overlooked in big courses.

Showing all 10 reviews on CourseDuck

Read all 383 reviews on Udemy

icon
Quality Score

No CourseDuck member has rated this course yet. Taken it? Give each part a thumbs up or down.

Content Quality
/
Video Quality
/
Qualified Instructor
/
Course Pace
/
Course Depth & Coverage
/

Overall Score : 88 / 100