Kotlin Grammar Summary - 1 hour

You will learn Flutter app development by building a public mask inventory app, applying the MVVM pattern (one of the most commonly used patterns in smartphone development), and adding features.

Essential Java syntax review before studying Java-based development.

Practical course building an app from start to finish, at a level used in actual services. Learn scalable and easy-to-maintain app development methods by applying Clean Architecture and MVVM patterns.

This lecture explains unit testing, UI testing, and integration testing methods in Flutter based on the official documentation.

This is a guide course on proper dependency injection in Flutter. It presents how to use DI utilizing the injectable package.

This course is designed for everyone starting Flutter to quickly learn the Flutter basics.

You can experience an example of implementing an app with clean architecture, including caching techniques using a local DB, CSV parsing, and custom drawing using Canvas.

You will learn how to write better, more maintainable code by applying clean architecture to your Flutter apps. This is a must-have course for intermediate and above level learners.

Jetpack Compose is Android's modern toolkit for building native UIs. Build apps quickly and vibrantly with less code, powerful tools, and intuitive Kotlin APIs.

If you have started Java development but feel overwhelmed when trying to solve a problem, it is time to study design patterns. I will explain 10 of the GoF design patterns that I personally use the most.

In this course, you will learn several ways to develop reactive and extensible Android apps using various libraries from Kotlin and Jetpack, which are widely used in practice.

Master complex Flutter state management in just 3 hours.

This introductory Flutter course lets you code once for Android and iOS.

Beginners are OK! Master Android programming with Kotlin! You can easily create the popular app 'SimpleSellStargram' through the core grammar and various samples of Kotlin, the official Android development language.

Learn Springboot + NextJS RestAPI Board Creation Faster Than Anyone Develop a CRUD server with Springboot and create your own board with NextJS!

From theory to practice. You can learn the entire web development process by deploying your self-developed website to the cloud.

Learn Springboot + Android(Compose) RestAPI Board Creation Faster Than Anyone Develop a CRUD server with Springboot and create your own board with Android!

Kotlin grammar in a short 3 lectures! Learn the basics of Kotlin grammar and Android programming, and even create your own Android app!

A global conference that Kotlin developers absolutely cannot miss! Experience all sessions of KotlinConf 2025, where Kotlin experts from around the world gather, with Korean, Japanese, and Vietnamese AI subtitles and dubbing. From Kotlin Multiplatform to information on Compose, AI, and the latest tools, If you want to learn the latest Kotlin technologies and practical know-how all at once, enroll now!

This course will teach you how to create an Instagram app.

This is a lecture on coroutines in the Kotlin language. Kotlin's usage has been increasing recently. Google announced that more than 70% of the top 1,000 apps on Google Play use Kotlin. As the Kotlin language grows, the Kotlin language itself is also evolving. The Coroutines feature, which was added relatively recently, provides groundbreaking features that were previously unprecedented. However, its novelty is also great. Fortunately, I was able to organize Kotlin's coroutines through many materials scattered online and kotlinlang.org.

Claude + IntelliJ TodoList Development - Complete MCP Mastery Learn how MCP works perfectly by creating a TodoList with Claude and IntelliJ.

Through this lecture, I hope to understand the core of the Kotlin language and avoid the mistake of being blocked by the language when developing Android apps.

Learn the basics of backend and server development with Ktor, written in Kotlin.