The 3 best Kotlin courses in 2026

Learners will develop, implement, and evaluate a fully functional Android calculator application using Kotlin and Android Studio. By the end of this course, learners will be able to configure Android project structures, modify Activities, design interactive user interfaces, integrate Gradle dependencies, and implement core calculation logic to produce a working mobile application. This hands-on, project-based course guides learners step by step through the complete Android app development workflow. Starting with understanding the project setup and Activity lifecycle, learners progressively bu

Learners will be able to design a structured Kotlin application, implement core CRUD operations, manage data using classes and collections, and validate application functionality through real-time output execution. This course provides a hands-on, project-based approach to learning Kotlin by guiding learners through the complete development of a Doctor Appointment Management application. Starting from project setup and environment configuration, learners progressively build a console-based system that allows users to add, view, update, and delete doctor appointments using clean and maintainab

Build a strong foundation in IntelliJ IDEA and learn how to use one of the industry's leading integrated development environments (IDEs) for Java and Kotlin development. This hands-on course is designed for beginners and early-stage developers who want to install, configure, navigate, and use IntelliJ IDEA with confidence. You'll start by setting up IntelliJ IDEA, exploring its interface, and creating your first Java or Kotlin project. As you progress, you'll discover how to improve your development workflow using built-in tools, keyboard shortcuts, live templates, Maven integration, testing