Kotlin for Java Developers — 90% OFF Coupon

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

★4.7 out of 5
34,562 students
English
Updated March 2026

Quick Facts — Course Summary

Here's a comprehensive overview of Kotlin for Java Developers — including pricing, duration, instructor credentials, curriculum highlights, and coupon validity. All data is verified against Udemy listings on May 30, 2026.

Here's a quick overview of everything you need to know about Kotlin for Java Developers before you enroll:

•Course Name: Kotlin for Java Developers
•Platform: Udemy
•Coupon Last Verified: March 5, 2026
•Level: Advanced
•Topic: Programming Languages
•Subtopic: Kotlin
•Total Time: 16h 30m of video content
•Language: English
•Access Type: Unlimited lifetime access + updates
•Certificate: Included upon completion from Udemy
•Main Skills: Create Kotlin programs · Understand the differences between Java and Kotlin · Understand how Java and Kotlin programs interoperate
•Requirements: Ideally, have at least a basic knowledge of Java (not essential) · A computer running Windows, Mac OS X or Linux
•Current Price: $9.99 (was $99.99). You save $90.00 with 90% discount.
•How to Apply: Click the coupon button to activate your discount automatically
💡
Tip:For best results, apply the coupon in a regular browser window rather than incognito/private mode.

Skills You'll Master

By completing Kotlin for Java Developers, you'll gain practical, job-ready skills in Programming Languages. The curriculum is designed by Tim Buchalka, Goran Lochert, Tim Buchalka's Learn Programming Academy to ensure you develop real-world competencies that employers value.

By the end of Kotlin for Java Developers, you'll have these practical skills:

✓Create Kotlin programs .
✓Understand the differences between Java and Kotlin .
✓Understand how Java and Kotlin programs interoperate.

What You Need Before Starting

Before enrolling in Kotlin for Java Developers, review the recommended prerequisites below. Meeting these requirements will help you follow the course material effectively and get the most out of your learning experience on Udemy.

Before enrolling in Kotlin for Java Developers, make sure you have:

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

About This Udemy Course

The following is the full official course description for Kotlin for Java Developers as published on Udemy by instructor Tim Buchalka, Goran Lochert, Tim Buchalka's Learn Programming Academy:

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.

Is the Kotlin for Java Developers Coupon Worth It?

Expert review by Andrew Derek, Lead Course Analyst at CoursesWyn.•Last updated: March 5, 2026.

Based on analysis of the curriculum structure, student engagement metrics, and verified rating data, Kotlin for Java Developers is a high-value resource for learners seeking to build skills inProgramming Languages. Taught by Tim Buchalka, Goran Lochert, Tim Buchalka's Learn Programming Academy on Udemy, the 16h 30m course provides a structured progression from foundational concepts to advanced techniques— making it suitable for learners at all levels. The current coupon reduces the price by 90%, from $99.99 to $9.99, removing the primary financial barrier to enrollment.

✓What We Like (Pros)

  • Verified 90% price reduction makes this course accessible to learners on any budget.
  • Aggregate student rating of 4.7 out of 5 indicates high learner satisfaction.
  • Strong enrollment base with over 34,562 students demonstrates course popularity and trust.
  • Includes an official Udemy completion certificate and lifetime access to all future content updates.

!Keep in Mind (Cons)

The following limitations should be considered before enrolling in Kotlin for Java Developers:

  • The depth of Programming Languages coverage may be challenging for absolute beginners without the listed prerequisites.
  • Lifetime access is contingent on the continued operation of the Udemy platform.
  • Hands-on projects and quizzes require additional time investment beyond video watch time.
Final Verdict: Worth It
This course offers exceptional value with current pricing
✓

Course Rating Summary

Kotlin for Java Developers has earned an aggregate rating of 4.7 out of 5 from 34,562 verified student reviews on Udemy. Below is the detailed rating distribution showing learner satisfaction across all star levels.

4.7
★★★★★
34,562 Verified Ratings
5 stars
75%
4 stars
15%
3 stars
6%
2 stars
2%
1 star
2%

* Rating distribution is approximated from the aggregate score. Sourced from Udemy.

Instructor Profile

Tim Buchalka, Goran Lochert, Tim Buchalka's Learn Programming Academy is the instructor behind Kotlin for Java Developers on Udemy. Learn about their teaching background, subject matter expertise, and instructional approach to determine if this course matches your learning style.

Kotlin for Java Developers is taught by Tim Buchalka, Goran Lochert, Tim Buchalka's Learn Programming Academy, a Udemy instructor specializing in Programming Languages. For the full instructor biography, professional credentials, and a complete list of their courses, visit the official instructor profile on Udemy.

•Subject Area: Programming Languages
•Teaching Approach: Practical, project-based instruction focused on real-world application of Programming Languages skills.

Frequently Asked Questions

The following questions and answers cover the most common queries about Kotlin for Java Developers, its coupon code, pricing, and enrollment process.

About the Author

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Andrew Derek

Lead Course Analyst at CoursesWyn with 8+ years of experience evaluating online learning platforms. I've analyzed 500+ Udemy courses and helped thousands of learners choose the right courses for their career goals.

⭐4.8/5 Rating
✓Trusted by 10K+ Students

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