Kotlin for Java Developers

Use your Java skills to learn Kotlin fast. Enhance career prospects and master Kotlin, including Java interoperability

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Tim Buchalka
(4,117 reviews)
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Are you a Java developer wondering if you need to learn Kotlin?

Maybe you are an experienced Java developer who wants to learn Kotlin quickly, to be prepared for future project work.

Perhaps instead, you’re an Android app developer who knows Java well, but you want to be able to move forward with Kotlin for new Android development work.

Well, with Google’s recent focus on Kotlin for Android app development, this language has been launched into the mainstream, and you can be sure you will be seeing a lot more about it. It’s also highly likely that you will be working with Kotlin in your Java projects in the near future.

Because Kotlin works anywhere Java works, and can even be called from Java code (and vice-versa), this brings with it a massive opportunity for Java developers. Being able to work with both Java and Kotlin is going to give you a massive advantage over other programmers.

This course was designed to teach Java developers how to use Kotlin in the shortest possible time.

Sarah Ettritch, your course instructor, is an experienced Java and Kotlin developer, with many years of software development experience. She is uniquely qualified to teach you how to use this powerful and exciting language.

While you won’t learn Android app development in this course, you will learn Kotlin, and also the key differences between Kotlin and Java.

There is an entire section dedicated to Java interoperability, which is vital for all Java developers to learn.

In addition, the Kotlin syntax is explored in detail.

Over sixteen hours of videos are included in the course, making it one of the most comprehensive courses on the language.

Now is the perfect time for you to learn Kotlin, while it’s relatively new.  It has been around for a while, but only now is it being thrust into the limelight.

It’s absolutely vital for Java developers to learn Kotlin to maximize future career opportunities. Objective-C developers who failed to transition to Swift, or were too slow doing so, were left behind. Don’t make the same mistake they did!

If you are ready to greatly increase your career prospects by adding Kotlin experience to your skills and knowledge, then sign up for the course today.

Requirements

  • Ideally, have at least a basic knowledge of Java (not essential)
  • A computer running Windows, Mac OS X or Linux

What you will learn

  • Create Kotlin programs
  • Understand the differences between Java and Kotlin
  • Understand how Java and Kotlin programs interoperate

Who should attend

  • Java programmers wanting to learn Kotlin

Is available on google app?

Yes

Is available on ios?

Yes

Course Features

  • Lectures 90
  • Quizzes 0
  • Exercises 0
  • Duration 17 total hours
  • Skill level All Levels
  • Students 24616
  • Last Updated May, 2023

  • Introduction to the Course 01:30

    • Lecture
      Introduction From Tim Buchalka 03:05
    • Lecture
      Introduction to the course 06:01
    • Lecture
      JDK8 Install Windows 05:15
    • Lecture
      JDK8 Install Mac 02:44
    • Lecture
      JDK8 Install Linux 04:20
    • Lecture
      Intellij Windows Install and Configure 09:35
    • Lecture
      Intellij Mac Install and Configure 09:28
    • Lecture
      Intellij Linux Install and Configure 10:03
    • Lecture
      IntelliJ Kotlin Settings 09:59

  • Introduction to Kotlin 46:07

    • Lecture
      Introduction to Section 2 00:29
    • Lecture
      Introduction to Kotlin 06:04
    • Lecture
      The Java Text Adventure Game 13:21
    • Lecture
      The Converted Kotlin Text Adventure Game 21:42
    • Lecture
      IDEA's Java to Kotlin Converter 04:31

  • Basic Differences Between Kotlin and Java 01:33:46

    • Lecture
      Introduction to Section 3 00:37
    • Lecture
      Hello World from Kotlin 09:15
    • Lecture
      The Kotlin Standard Library 04:25
    • Lecture
      Variable Declarations in Kotlin 12:07
    • Lecture
      How to Create Type Aliases in Kotlin 03:14
    • Lecture
      Quick Differences Between Kotlin and Java 10:01
    • Lecture
      How Kotlin handles equality differently from Java 13:20
    • Lecture
      Bit Operators and Smart Casting in Kotlin 06:08
    • Lecture
      String Templates in Kotlin 07:49
    • Lecture
      Raw Strings in Kotlin 08:08
    • Lecture
      The Kotlin REPL 04:00
    • Lecture
      Kotlin Challenges (Round One) 14:42

  • Data Types and Null Reference Handling 01:42:10

    • Lecture
      Introduction to Section 4 00:46
    • Lecture
      The Builtin Dataypes in Kotlin 20:08
    • Lecture
      Arrays in Kotlin 23:08
    • Lecture
      Null References in Kotlin - Part One 21:04
    • Lecture
      Null References in Kotlin - Part Two 14:47
    • Lecture
      Arrays and Null References 06:19
    • Lecture
      Kotlin Challenges (Round Two) 15:58

  • OO and Kotlin: Classes, Functions, Inheritance 03:39:04

    • Lecture
      Introduction to Section 5 00:45
    • Lecture
      Kotlin's Access Modifiers 09:17
    • Lecture
      Declaring Classes and Using Constructors in Kotlin 22:23
    • Lecture
      Properties and Backing Fields in Kotlin 12:28
    • Lecture
      Constants and Data Classes 12:10
    • Lecture
      Kotlin Function Basics 21:53
    • Lecture
      Extension Functions 11:44
    • Lecture
      Inline Functions 02:42
    • Lecture
      Inheritance in Kotlin - Part One 11:24
    • Lecture
      Inheritance in Kotlin - Part Two 14:09
    • Lecture
      Interfaces in Kotlin 08:00
    • Lecture
      Singletons in Kotlin 06:05
    • Lecture
      Companion Objects in Kotlin 13:40
    • Lecture
      Anonymous Objects in Kotlin 06:35
    • Lecture
      Enums in Kotlin 04:10
    • Lecture
      Imports in Kotlin 16:45
    • Lecture
      The Internal Access Modifier 05:23
    • Lecture
      Kotlin Challenges (Round Three, Part 1) 20:12
    • Lecture
      Kotlin Challenges (Round Three, Part 2) 19:19

  • Loops, and the If, When, and Try/Catch Expressions 01:36:04

    • Lecture
      Introduction to Section 6 00:36
    • Lecture
      The For Loop 27:57
    • Lecture
      The If Expression 09:52
    • Lecture
      The When Expression 22:15
    • Lecture
      The Try/Catch Expression 11:58
    • Lecture
      Kotlin Challenges (Round Four) 23:26

  • Lambda Expressions, Collections, and Generics 04:01:53

    • Lecture
      Introduction to Section 7 00:57
    • Lecture
      Lambda Expression Basics 12:55
    • Lecture
      Lambdas With Receivers 19:15
    • Lecture
      Lists 16:25
    • Lecture
      Kotlin Collections Functions 09:56
    • Lecture
      Maps and Destructuring Declarations 15:37
    • Lecture
      Sets in Kotlin 06:28
    • Lecture
      More Collections Functions in Kotlin 16:13
    • Lecture
      Sequences in Kotlin 15:54
    • Lecture
      Generics in Kotlin 10:50
    • Lecture
      Generics: Functions and Erasure 22:27
    • Lecture
      Generics: Reified Parameters in Kotlin 08:38
    • Lecture
      Generics: Covariance 27:35
    • Lecture
      Generics: Contravariance 20:56
    • Lecture
      Generics: Use-Site Variance 10:46
    • Lecture
      Kotlin Challenges (Round Five) 27:01

  • File I/O 30:54

    • Lecture
      Introduction to Section 8 00:40
    • Lecture
      Reading Text Files 16:24
    • Lecture
      Reading Binary Files and Try with Resources 07:34
    • Lecture
      Walking the File Tree 06:16

  • Java Interoperability 01:32:38

    • Lecture
      Introduction to Section 9 01:31
    • Lecture
      Nullability when using Java from Kotlin 14:50
    • Lecture
      More about calling Java from Kotlin 17:17
    • Lecture
      Calling Kotlin Functions from Java 16:21
    • Lecture
      Annotations when calling Kotlin from Java 17:32
    • Lecture
      Kotlin Challenges (Round Six) 25:07

  • Course Wrap Up 14:33

    • Lecture
      Introduction to Section 10 01:06
    • Lecture
      Revisit the Converted Kotlin Text Adventure 10:01
    • Lecture
      Bonus - Please Watch! 00:48
    • Lecture
      Kotlin for Java Developers Wrap Up 02:25
    • Lecture
      Tell Us What Content You Want Us To Add! 00:13

  • Extra Information - Source code, and other stuff 08:15

    • Lecture
      Source code 03:27
    • Lecture
      Bonus Lecture and Information 04:48
Tim Buchalka
Java Python Android and C# Expert Developer - 1.23M students Tim's been a professional software developer for close to 40 years. During his career, he has worked for major companies such as Fujitsu, Mitsubishi, and Saab. His video courses are… View Profile
Goran Lochert
Software Engineer | Unity Certified Expert Programmer I’ve been a software developer for over 14 years (12 commercially), creating Desktop, Web, and Mobile applications during this time. I am a fully certified Java Developer (Java Oracle Certificate… View Profile
Tim Buchalka's Learn Programming Academy
Professional Programmers and Teachers - 323,000+ students The Learn Programming Academy was created by Tim Buchalka, a software developer with 35 years experience, who is also an instructor on Udemy, with over 335,000 students in his courses… View Profile

Student Feedback

4.5
4,117 Average ratings
51%
38%
9%
1%
1%

  • 3 weeks ago

    Khrystyna Makar

    Good for start. Sarah explained what is going on under the cover. For me it looks that Java gets Kotlin features from version to version.

  • 3 weeks ago

    Daniel Butcher

    I had used some Kotlin in a previous contract but did not really get the opportunity to learn it deeply. This course covers a broad spectrum of the language and equips you with a strong foundation to tackle a kotlin project. The videos are very nicely and clearly explained with plenty of hands-on challenges to consolidate your learning in each section. I would definitely use these guys again for any future training.

  • 1 month ago

    Franklin Castillo

    Great and excellent course! As a Java developer, I found the curse very useful and straightforward. The teacher for this course seems to have very deep knowledge of the topic and that helps a lot. I would definitely recommend this course and I will be happy to take another course with Sarah!

  • 1 month ago

    Nguyen Van Khanh ㅤ

    good

  • 2 months ago

    Bala Bhaskar Munukutla

    can have content related to multithreading

  • 2 months ago

    Maxime Carpentier

    clear and easy to follow. A bit outdated now tho

  • 2 months ago

    Erik Midtskogen

    Excellent overall. The content is engaging, and it matches course description precisely. It could use an update, however. Some things have changed since this course was made. I'm thinking mainly of how the IntelliJ IDE works and the new way it structures Projects and Modules. There's no need to re-think the material--just re-record it with the latest version of IntelliJ. This is my first Udemy course. I think the format works nicely. The "Challenge" exercises at the end of each section are especially helpful to review and solidify comprehension. Based on my experience with this Udemy course, I expect I'll be taking more in the future.

  • 2 months ago

    James Hawthorne

    Great course to get up and running with Kotlin. Sarah was very clear and consise. I highly recommend this course if you know Java and want to explore or get going with Kotlin.

  • 2 months ago

    Muthamizhan Chelladurai

    It is a good experience on learning kotlin from learn programming academy.

  • 3 months ago

    Asmir Biscevic

    Great match. I am a java developer and I want to learn Kotlin

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    2 Comments

  1. mm
    gralion torile
    October 25, 2022
    Reply

    Hello there, I found your site via Google while looking for a related topic, your site came up, it looks good. I’ve bookmarked it in my google bookmarks.

  2. mm
    ddphmcfihh
    November 24, 2022
    Reply

    Kotlin for Java Developers • The Learn Programming Academy
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