Udemy

Kotlin for Java Developers

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  • 33,899 Students
  • Updated 4/2025
4.7
(5,369 Ratings)
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Course Information

Registration period
Year-round Recruitment
Course Level
Study Mode
Duration
16 Hour(s) 46 Minute(s)
Language
English
Taught by
Tim Buchalka, Goran Lochert, Tim Buchalka's Learn Programming Academy
Rating
4.7
(5,369 Ratings)
4 views

Course Overview

Kotlin for Java Developers

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

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.

Course Content

  • 10 section(s)
  • 92 lecture(s)
  • Section 1 Comprehensive Course Overview and Environment Setup for Kotlin
  • Section 2 Kotlin Fundamentals: Language Overview and Java Code Conversion
  • Section 3 Essential Kotlin Fundamentals: Grasping Key Differences from Java
  • Section 4 Kotlin Types and Null Safety: Mastering Data Types and Null Handling
  • Section 5 Object-Oriented Kotlin: Classes, Functions, and Class Inheritance
  • Section 6 Mastering Kotlin Loops, Conditionals: If, When, and Try/Catch as Expressions
  • Section 7 Kotlin Generics, Collections, and Functional Programming with Lambdas
  • Section 8 Kotlin File Input/Output (I/O) with Java Interoperability
  • Section 9 Java and Kotlin Interoperability: Mixing and Matching Code
  • Section 10 Kotlin for Java Developers: Comprehensive Course Conclusion and Next Steps

What You’ll Learn

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

Reviews

  • L
    LEONARDO BARBOZA AUGUSTO
    5.0

    For a Java developer, this course has a bunch of tips worth knowing between Kotlin and Java. It's amazing.

  • R
    ROLF-PETER DSUBA
    5.0

    Really liked it

  • A
    Attila Nemeth
    5.0

    Great course, very easy to follow and understand, lots of examples. Some lessons are outdated (for example contravariance).

  • N
    Nagesh LNU
    4.0

    Good course

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