Kotlin Crash Course Training

Course Overview

This intensive one-week training program takes your developers from Kotlin beginners to confident, productive team members. Based on Kotlin Crash Course, the training covers Kotlin fundamentals, OOP, collections, functional programming, coroutines, delegation pattern, and unit testing.

Your team will develop hands-on projects as they learn, so they can apply new skills to your codebase immediately.

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What Your Team Will Be Able to Do

After completing this training, your developers will:

Write production-ready Kotlin code using core syntax and industry best practices.
Produce clean, maintainable code that follows idiomatic Kotlin standards your whole team can work with.
Eliminate null pointer exceptions by applying Kotlin’s null safety mechanisms consistently.
Design modular systems using object-oriented programming principles in Kotlin — classes, interfaces, and inheritance.
Process and transform data efficiently using Kotlin collections, filtering, sorting, and mapping.
Write concise, expressive logic with functional programming techniques including lambdas and higher-order functions.
Build responsive, non-blocking applications using coroutines for efficient asynchronous programming.
Simplify code architecture by applying the delegation pattern to reduce boilerplate and improve reuse.
Ship with confidence by writing unit tests in Kotlin using JUnit and MockK.
Develop complete Kotlin applications using IntelliJ IDEA and Gradle from project setup to running code.

Course Structure

Duration: 1 week (Full-day sessions) Format: Onsite or Remote

Day 1: Kotlin Fundamentals

Introduction to Kotlin: Language features, ecosystem, and advantages.
Development environment setup: IntelliJ IDEA, Gradle, project configuration.
Basic syntax: Variables, functions, expressions, and statements.
Control flow statements: if, when, loops, and structured error handling.

Day 2: Object-Oriented Programming (OOP)

Classes and Objects: Defining and using classes.
Inheritance and Interfaces: Designing modular and reusable code.
Visibility Modifiers: Understanding access control in Kotlin.
Data Classes and Singleton Objects.

Day 3: Collections & Functional Programming

Working with Collections: Lists, Sets, Maps, filtering, sorting.
Lambdas and Higher-Order Functions.
Scope Functions: let, run, apply, also, with.

Day 4: Coroutines

Introduction to Coroutines: Understanding coroutines and their benefits.
Suspending Functions: Writing and using suspending functions.
Structured Concurrency: CoroutineScope, Job hierarchy, and cancellation.
Coroutine Context & Dispatchers: Managing thread pools and contexts.

Day 5: Delegation Pattern & Unit Testing

Delegation in Kotlin: Using by keyword for cleaner architecture.
Testing Kotlin Code: Writing and running tests with JUnit & MockK.
Mocking dependencies and verifying behavior.

Who Should Attend?

Developers looking for an accelerated Kotlin training program.
Java developers transitioning to Kotlin.
Teams needing a deep dive into Kotlin fundamentals in a short time.

Ready to fast-track your team’s Kotlin skills?