--- title: Kotlin Course For Beginners – Full Tutorial | daily.dev description: Master modern, expressive software development with Kotlin, taking you from core syntax and type safety to advanced coroutines and multiplatform architecture.... canonical: https://daily.dev/posts/kotlin-course-for-beginners-full-tutorial-jkjk3dmcq twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: Kotlin Course For Beginners – Full Tutorial | daily.dev og:description: Master modern, expressive software development with Kotlin, taking you from core syntax and type safety to advanced coroutines and multiplatform architecture.... og:url: https://daily.dev/posts/kotlin-course-for-beginners-full-tutorial-jkjk3dmcq og:image: https://api.daily.dev/og/posts/jKjK3DmCQ.png og:image:alt: Kotlin Course For Beginners – Full Tutorial og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # Kotlin Course For Beginners – Full Tutorial **[freeCodeCamp](https://daily.dev/sources/freecodecamp)** · 628 min read · 0 upvotes · 0 comments ## Summary Master modern, expressive software development with Kotlin, taking you from core syntax and type safety to advanced coroutines and multiplatform architecture. Through hands-on projects, you will build robust, production-ready applications for Android, backend systems, and beyond. 74-Hour Kotlin Masterclass: https://www.udemy.com/course/kotlin-masterclass-learn-kotlin-from-zero-to-advanced/?referralCode=EAB498FC62AF9500D30A Course from @programmingwithalex.585 Join his Discord: https://discord.gg/zyWxwTSN ❤️ Support for this channel comes from our friends at Scrimba – the coding platform that's reinvented interactive learning: https://scrimba.com/freecodecamp ⭐️ Chapters ⭐️ - (0:00:00) Introduction - (0:00:20) Download and Install InelliJ IDE - (0:05:37) What is JVM? - (0:12:23) Variables - val vs var - (0:23:16) Variables - Type & Inference - (0:32:52) Integer Variables - Byte, Short, Int and Long - (0:43:23) Float and Double - (0:49:14) Char and Boolean - (0:59:05) Operators and operations - (1:11:40) If Statement-Expression - (1:16:13) Logical AND & logical OR operators - (1:23:13) When statement-expression - (1:29:03) FOR loop - (1:34:50) While, Do-While and Labels - (1:43:22) Null Values & Null Safety - (1:54:12) Functions - (2:01:09) Functions: return values and Expressions - (2:05:42) Functions Overloading - (2:12:04) vararg keyword - (2:16:14) Functions - Default Paramenters and Values - (2:21:19) Arrays - (2:32:54) Classes - what they are? - (2:41:57) Classes Primary Constructor - (2:50:23) Classes Initializer Blocks - (3:00:07) Classes Secondary Constructors - (3:09:37) Classes Default Constructor Parameters - (3:12:27) lateinit keyword - (3:19:32) Companion Object - (3:24:31) Singleton - (3:31:37) lazy initialization - (3:35:07) Getters and Setters - (3:45:44) Enum Class - (3:51:25) Sealed Classes - (3:57:21) Object Expression - (4:01:21) Inheritance - (4:11:08) Abstract Classes - (4:16:34) Interfaces - (4:21:20) Data Classes - (4:29:13) Delegation - (4:34:36) Extension Functions - (4:40:06) Generics: Type Parameters and Casting - (4:46:05) Generics Upper Bounds - (4:50:35) Generics: Covariance and Contravariance - (4:58:21) Generics: Type Erasure and the reified Keyword - (5:04:25) Generics: Where Clause & 2 Upper Bounds - (5:11:48) List, Set and Map - (5:32:56) Binary Search - (5:38:49) Comparable and Comparator - (5:44:36) Access Modifiers - (5:50:11) Try Catch Finally - (5:55:38) Lambda Functions - (6:02:11) What are Coroutines? - (6:07:38) Coroutines Implementation - (6:26:40) Coroutines Builders launch, async and runBlocking - (6:50:03) Coroutines Cancellations, Timeouts and Exceptions - (7:05:40) Coroutines: Structured Concurrency, Exceptions - (7:23:48) Coroutines: Sequential, Parallel, Lazy - (7:33:22) Coroutines: withContext - (7:37:38) What is a Flow? - (8:05:01) Reactive Programming - (8:10:38) Starting our first Flow Use Case - (8:21:38) Basic Flow Builders - (8:34:23) Exposing a Flow in out DataSource - (8:41:52) Basic Terminal Operators - (8:56:35) Terminal operator "launchIn()" - (9:04:14) Lifecycle Operators - (9:16:18) Terminal operator "asLiveData()" - (9:30:39) Basic Intermediate Operators - (9:43:54) Flow Exception Handling - (9:57:14) Exception Transparency - (10:04:35) The "retry()" Operator - (10:12:54) Flow Cancellation 🎉 Thanks to our Champion and Sponsor supporters: 👾 @omerhattapoglu1158 👾 @goddardtan 👾 @akihayashi6629 👾 @kikilogsin 👾 @anthonycampbell2148 👾 @tobymiller7790 👾 @rajibdassharma497 👾 @CloudVirtualizationEnthusiast 👾 @adilsoncarlosvianacarlos 👾 @martinmacchia1564 👾 @ulisesmoralez4160 👾 @_Oscar_ 👾 @jedi-or-sith2728 👾 @justinhual1290 -- Learn to code for free and get a developer job: https://www.freecodecamp.org Read hundreds of articles on programming: https://freecodecamp.org/news ## Full article daily.dev links to this article rather than hosting it. 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