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#kotlin#intellijidea#oop

Full 2025 Kotlin Crash Course For Beginners

Philipp Lackner

261K subscribers • 7 videos on Hallway

YouTube
  • Recommended by 4 people: 4 in engineering communities.
  • Presented by Philipp Lackner

Beginner. No background in the topic needed.

436K views1 year ago4 recommendations

Programming languagesKotlin

Philipp Lackner teaches the fundamentals of the Kotlin programming language for beginners using IntelliJ IDEA.

In this video I'll teach you everything you need to know to start developing real software with Kotlin. Download IntelliJ: jetbrains.com/idea/download ▶️ KOTLIN NEWBIE TO PRO Playlist: youtube.com/playlist?list=PLQkwcJG4YTCRSQikwhtoApYs9ij_Hc5Z9 ⭐ Courses with real-life practices ⭐ Save countless hours of time ⭐ 100% money back guarantee for 30 days ⭐ Become a professional Android developer now: pl-coding.com/premium-courses?utm_source=youtube&utm_medium=… 🎓 Become an industry-ready Android developer in the Mobile Dev Campus: pl-coding.com/campus?utm_source=youtube&utm_campaign=default… 🎁 Get my FREE 4.5h Best Practice Guide to Android Architecture: pl-coding.com/best-practice-guide?utm_campaign=default&utm_m… 💻 Let me be your mentor and become an industry-ready Android developer in 10 weeks: pl-coding.com/drop-table-mentoring?utm_source=youtube&utm_me… Regular programming advice on my Instagram page: instagram.com/_philipplackner_/ - Introduction - Why is Kotlin cool? - IntelliJ Installation - Creating the project - Hello world program - val and var - Arithmetic operators - Comparison operators - Logical operators - Console input - Nullability & null-safe operators - if conditions - when expression - Exceptions & try/catch - Arrays - Loops - Normal functions - Extension functions - Function overloading - Lambda functions - Normal class & data class - Interfaces - Abstract classes - Sealed interface & sealed class - Enum classes - Singletons - Visibility modifiers - Generics

Why it's here

4 people recommend this

What people say. Recommended as a comprehensive starting point for beginners learning Kotlin.

u/SudarshanM24in r/Kotlin • Recommends

On “hi! i'm learning kotlin and i've some questions”

Hey Mate! Hope you're doing good. If you're short on time, check out this crash course by Phillip Lackner on YouTube: link to this video If you can invest more time, I recommend the Android Codelab by Android Developers.
1View on Reddit

u/BreakfastTough9658in r/Kotlin • Recommends

On “Best free resources to learn kotlin in 2025?”

This course should get you started. link to this video
1View on Reddit

u/mo_syin r/Kotlin • Recommends

On “عاوز اتعلم KMP”

I am actually learn from documentations reading blogs & experimenting stuff, but you may find these videos & playlists helpful. Kotlin language: [video [video Kotlin multiplatform: [video [video [video
1View on Reddit

u/IronMan6666666in r/Kotlin • Recommends

How to learn kotlin on IntelliJ? Hi, does anyone have any recommendations on how to start learning kotlin on intelliJ? I want to create a very simple app for personal use, and I was searching for some simple tutorials to do so. I was following this tutorial: [video to learn about the syntax and basic functions. However, it didn't cover stuff like UI development, and I think this person's next course [video is for really high-end applications, making it unsuitable for me (please correct me if I am wrong). Other tutorials I found online use Android Studio, but I need to only use IntelliJ since I am logging the time spent on IntelliJ for something else where I get rewards for loggin…
0View on Reddit