--- title: Expert Java 8 | daily.dev description: A talk covering advanced Java 8 topics including how to design lambda-friendly APIs, when to use Streams as method parameters or return types, writing readable... canonical: https://daily.dev/posts/expert-java-8-hyxuc1c5h twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: Expert Java 8 | daily.dev og:description: A talk covering advanced Java 8 topics including how to design lambda-friendly APIs, when to use Streams as method parameters or return types, writing readable... og:url: https://daily.dev/posts/expert-java-8-hyxuc1c5h og:image: https://api.daily.dev/og/posts/hyXuc1C5H.png og:image:alt: Expert Java 8 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. # Expert Java 8 **[nipafx \(Nicolai Parlog\)](https://daily.dev/sources/nipafx)** · 1 min read · 0 upvotes · 0 comments ## Summary A talk covering advanced Java 8 topics including how to design lambda-friendly APIs, when to use Streams as method parameters or return types, writing readable Stream pipelines with exception handling, best practices for Optional, and evolving interfaces with default methods without breaking existing code. Slides and video recording are available. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Similar posts on daily.dev - [Java Stream API tutorial: How to create and use Java streams](https://daily.dev/posts/java-stream-api-tutorial-how-to-create-and-use-java-streams-gyyvnv6zp) · InfoWorld · 1 upvotes · 0 comments --- Tags: [#java](https://daily.dev/tags/java), [#aws-lambda](https://daily.dev/tags/aws-lambda) [View this post on daily.dev](https://daily.dev/posts/expert-java-8-hyxuc1c5h) ```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":"Expert Java 8","url":"https://daily.dev/posts/expert-java-8-hyxuc1c5h","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/expert-java-8-hyxuc1c5h"},"datePublished":"2026-03-16T08:14:09.318Z","dateModified":"2026-03-16T08:26:13.360Z","description":"A talk covering advanced Java 8 topics including how to design lambda-friendly APIs, when to use Streams as method parameters or return types, writing readable...","image":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/d9417680370ece540022639da613316b?_a=AQAEuop","thumbnailUrl":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/d9417680370ece540022639da613316b?_a=AQAEuop","isAccessibleForFree":true,"articleSection":"nipafx (Nicolai Parlog)","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":"nipafx (Nicolai Parlog)","logo":"https://media.daily.dev/image/upload/s--H_Echo_u--/f_auto,q_auto/v1773648772/logos/nipafx?_a=BAMAMiiu0","url":"https://daily.dev/sources/nipafx"},"commentCount":0,"discussionUrl":"https://daily.dev/posts/expert-java-8-hyxuc1c5h","interactionStatistic":[{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":0},{"@type":"InteractionCounter","interactionType":{"@type":"CommentAction"},"userInteractionCount":0}],"keywords":"java,aws-lambda","timeRequired":"PT1M"} {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"nipafx (Nicolai Parlog)","item":"https://daily.dev/sources/nipafx"},{"@type":"ListItem","position":3,"name":"Expert Java 8"}]} ```