--- title: Apache Commons Tutorial | daily.dev description: The post discusses Apache Commons and its various components such as Lang, Collections, and IO. It covers topics like string processing, checking for numeric... canonical: https://daily.dev/posts/apache-commons-tutorial-r3c4qqxy3 twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: Apache Commons Tutorial | daily.dev og:description: The post discusses Apache Commons and its various components such as Lang, Collections, and IO. It covers topics like string processing, checking for numeric... og:url: https://daily.dev/posts/apache-commons-tutorial-r3c4qqxy3 og:image: https://api.daily.dev/og/posts/r3C4QQXY3.png og:image:alt: Apache Commons 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. # Apache Commons Tutorial **[Baeldung](https://daily.dev/sources/baeldung)** · 1 min read · 6 upvotes · 0 comments ## Summary The post discusses Apache Commons and its various components such as Lang, Collections, and IO. It covers topics like string processing, checking for numeric strings, converting lists to strings, and file handling. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Similar posts on daily.dev - [Don’t just attend KubeCon \+ CloudNativeCon, Merge Forward your experience\!](https://daily.dev/posts/don-t-just-attend-kubecon-cloudnativecon-merge-forward-your-experience--l0rpp73x8) · CNCF · 1 upvotes · 0 comments - [Announcing H2 2026 KCDs](https://daily.dev/posts/announcing-h2-2026-kcds-m96goajm1) · CNCF · 1 upvotes · 0 comments - [Two months of Open Community Groups](https://daily.dev/posts/two-months-of-open-community-groups-asf52zhbs) · CNCF · 0 upvotes · 0 comments --- Tags: [#java](https://daily.dev/tags/java) [View this post on daily.dev](https://daily.dev/posts/apache-commons-tutorial-r3c4qqxy3) ```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":"Apache Commons Tutorial","url":"https://daily.dev/posts/apache-commons-tutorial-r3c4qqxy3","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/apache-commons-tutorial-r3c4qqxy3"},"datePublished":"2024-05-15T06:34:03.915Z","dateModified":"2024-05-15T06:34:02.548Z","description":"The post discusses Apache Commons and its various components such as Lang, Collections, and IO. It covers topics like string processing, checking for numeric...","image":"https://media.daily.dev/image/upload/s--foaA6JGU--/f_auto/v1722860399/public/Placeholder%2004","thumbnailUrl":"https://media.daily.dev/image/upload/s--foaA6JGU--/f_auto/v1722860399/public/Placeholder%2004","isAccessibleForFree":true,"articleSection":"Baeldung","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":"Baeldung","logo":"https://media.daily.dev/image/upload/t_logo,f_auto/v1/logos/52cccfb454d946c4b7dfa5e816f9e576","url":"https://daily.dev/sources/baeldung"},"commentCount":0,"discussionUrl":"https://daily.dev/posts/apache-commons-tutorial-r3c4qqxy3","interactionStatistic":[{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":6},{"@type":"InteractionCounter","interactionType":{"@type":"CommentAction"},"userInteractionCount":0}],"keywords":"java","timeRequired":"PT1M"} {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"Baeldung","item":"https://daily.dev/sources/baeldung"},{"@type":"ListItem","position":3,"name":"Apache Commons Tutorial"}]} ```