--- title: Learn Modern Kotlin | daily.dev description: A free, comprehensive 10-hour Kotlin course was published on the freeCodeCamp.org YouTube channel, covering everything from fundamentals and setup to advanced... canonical: https://daily.dev/posts/learn-modern-kotlin-emjhfvz0q twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: Learn Modern Kotlin | daily.dev og:description: A free, comprehensive 10-hour Kotlin course was published on the freeCodeCamp.org YouTube channel, covering everything from fundamentals and setup to advanced... og:url: https://daily.dev/posts/learn-modern-kotlin-emjhfvz0q og:image: https://api.daily.dev/og/posts/eMJHfvz0Q.png og:image:alt: Learn Modern Kotlin 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. # Learn Modern Kotlin **[freeCodeCamp](https://daily.dev/sources/freecodecamp)** · 1 min read · 2 upvotes · 0 comments ## Summary A free, comprehensive 10-hour Kotlin course was published on the freeCodeCamp.org YouTube channel, covering everything from fundamentals and setup to advanced topics. Topics include null safety, functions and collections, modern OOP (data classes, sealed classes, extension functions), generics with variance and reified type parameters, coroutines for asynchronous programming, and Kotlin Flows for reactive streams. It targets learners interested in Android development, backend services, or cross-platform apps. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Similar posts on daily.dev - [Kotlin Professional Certificate by JetBrains – Now on LinkedIn Learning](https://daily.dev/posts/kotlin-professional-certificate-by-jetbrains-now-on-linkedin-learning-bbbd749ok) · JetBrains · 4 upvotes · 0 comments - [Kotlin Weekly \#490](https://daily.dev/posts/kotlin-weekly-490-mipwmhwsv) · Kotlin Weekly · 0 upvotes · 0 comments - [Technical Notebook: Kotlin Fundamentals](https://daily.dev/posts/technical-notebook-kotlin-fundamentals-azcbnewnz) · Medium · 0 upvotes · 0 comments --- Tags: [#kotlin](https://daily.dev/tags/kotlin), [#android-development](https://daily.dev/tags/android-development), [#jvm](https://daily.dev/tags/jvm) [View this post on daily.dev](https://daily.dev/posts/learn-modern-kotlin-emjhfvz0q) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"Learn Modern Kotlin","url":"https://daily.dev/posts/learn-modern-kotlin-emjhfvz0q","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/learn-modern-kotlin-emjhfvz0q"},"datePublished":"2026-10-02T19:40:53.425Z","dateModified":"2026-10-02T19:48:04.999Z","description":"A free, comprehensive 10-hour Kotlin course was published on the freeCodeCamp.org YouTube channel, covering everything from fundamentals and setup to advanced...","image":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/23cd76d079df69eb962750c29d9c73f1?_a=AQAEuop","thumbnailUrl":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/23cd76d079df69eb962750c29d9c73f1?_a=AQAEuop","isAccessibleForFree":true,"articleSection":"freeCodeCamp","inLanguage":"en","publisher":{"@type":"Organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180}},"author":{"@type":"Organization","name":"freeCodeCamp","logo":"https://media.daily.dev/image/upload/t_logo,f_auto/v1628412854/logos/freecodecamp","url":"https://daily.dev/sources/freecodecamp"},"commentCount":0,"discussionUrl":"https://daily.dev/posts/learn-modern-kotlin-emjhfvz0q","interactionStatistic":[{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":2},{"@type":"InteractionCounter","interactionType":{"@type":"CommentAction"},"userInteractionCount":0}],"keywords":"kotlin,android-development,jvm","timeRequired":"PT1M"} {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"freeCodeCamp","item":"https://daily.dev/sources/freecodecamp"},{"@type":"ListItem","position":3,"name":"Learn Modern Kotlin"}]} ```