https://github.com/skydoves/kotlin-deep-dive
Kotlin Book: An in-depth look at the principles and internal mechanisms underlying Kotlin fundamentals.
https://github.com/skydoves/kotlin-deep-dive
android book coroutines interview kotlin kotlin-compiler kotlinx skydoves
Last synced: 5 months ago
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Kotlin Book: An in-depth look at the principles and internal mechanisms underlying Kotlin fundamentals.
- Host: GitHub
- URL: https://github.com/skydoves/kotlin-deep-dive
- Owner: skydoves
- License: bsd-3-clause
- Created: 2025-12-07T06:37:48.000Z (7 months ago)
- Default Branch: main
- Last Pushed: 2026-01-11T08:03:30.000Z (6 months ago)
- Last Synced: 2026-01-11T09:28:11.460Z (6 months ago)
- Topics: android, book, coroutines, interview, kotlin, kotlin-compiler, kotlinx, skydoves
- Homepage: https://kotlin.skydoves.me/
- Size: 2.18 MB
- Stars: 25
- Watchers: 1
- Forks: 0
- Open Issues: 0
-
Metadata Files:
- Readme: README.md
- License: LICENSE
Awesome Lists containing this project
README
**Unlocking the Secrets Behind Kotlin's Design.**
**[Practical Kotlin Deep Dive](https://kotlin.skydoves.me/)** is more than a technical reference, it's your guide to understanding the soul of Kotlin. This comprehensive journey takes you from language fundamentals through Coroutines, Flow, and Kotlin Multiplatform, answering not just "how" but "why" Kotlin was designed the way it is. With 70+ deep-dive topics, you'll explore real implementations from Kotlin' source code and decode the bytecode that powers your applications.
For developers ready to evolve from practitioners to experts, the "Pro Tips for Mastery" sections reveal the hidden mechanics that separate those who use Kotlin from those who truly understand it. Each chapter dissects compiler decisions, KEEP proposals, and internal APIs—knowledge that transforms how you architect solutions. The material bridges theory and practice, with source code references and bytecode analysis that ground every concept in reality.
This book is crafted to be your technical companion, whether you're building production Android/Backend applications, exploring Kotlin Multiplatform, or simply curious about what happens beneath the surface. It embraces the philosophy that true mastery comes from understanding foundations, empowering you to write code with intention and debug with confidence.
— **[Jaewoong Eum (skydoves)](https://github.com/skydoves/)**
## 📚 Where to Read
- [Practical Kotlin Deep Dive](https://kotlin.skydoves.me/)
- [Read on Gumroad](https://skydoves.gumroad.com/l/kotlin-deep-dive)
- [Read on Leanpub](https://leanpub.com/kotlin-deep-dive)
## 🤝 Testimonial
## ⏳ Timeline & Milestone
- 2026.01.13 - Published [Hindi edition](https://kotlin.skydoves.me/hi.html) 🇮🇳
- 2026.01.12 - Reached 200 copies sold 🎉
- 2026.01.11 - Published [Indonesian edition](https://kotlin.skydoves.me/id.html) 🇮🇩
- 2026.01.11 - Published [Chinese edition](https://kotlin.skydoves.me/zh.html) 🇨🇳
- 2026.01.06 - Reached 100 copies sold 🎉
- 2026.01.03 - Published the first edition
## 💖 Sponsors
## 📘 Manifest Android Interview
[Manifest Android Interview](https://www.android.skydoves.me/) is a comprehensive guide designed to enhance your Android development expertise through 108 interview questions with detailed answers, 162 additional practical questions, and 50+ "Pro Tips for Mastery" sections. The interview questions primarily focus on Android development—including the Framework, UI, Jetpack Libraries, and Business Logic—as well as Jetpack Compose, covering Fundamentals, Runtime, and UI.
## 🕊️ Dove Letter
If you're eager to dive deeper into Kotlin and Android, explore [Dove Letter](https://doveletter.skydoves.me/), a private subscription repository where you can learn, discuss, and share knowledge. To get more details about this unique opportunity, check out the [Learn Kotlin and Android With Dove Letter](https://medium.com/@skydoves/learn-kotlin-and-android-with-dove-letter-26265da11903) article.
## Find this repository useful? :heart:
Support it by joining __[stargazers](https://github.com/skydoves/kotlin-deep-dive/stargazers)__ for this repository. :star:
Also, __[follow me](https://github.com/skydoves)__ on GitHub for my next creations! 🤩
# License
```xml
Copyright (c) skydoves (Jaewoong Eum) All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
* Neither the name of data-accessor nor the names of its
contributors may be used to endorse or promote products derived from
this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
```