{"id":123541,"date":"2026-04-24T12:12:15","date_gmt":"2026-04-24T12:12:15","guid":{"rendered":"https:\/\/foojay.io\/?page_id=123541"},"modified":"2026-04-24T12:12:16","modified_gmt":"2026-04-24T12:12:16","slug":"sustainability-for-java-developers","status":"publish","type":"page","link":"https:\/\/foojay.io\/sustainability-for-java-developers\/","title":{"rendered":"Sustainability for Java Developers"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">Towards an Understanding of Sustainable Software Development<\/h2>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"alignleft size-medium is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"510\" height=\"510\" src=\"https:\/\/foojay.io\/wp-content\/uploads\/2026\/04\/foojay_free_ebook_ad-510x510.png\" alt=\"\" class=\"wp-image-123539\" style=\"width:300px\" srcset=\"https:\/\/foojay.io\/wp-content\/uploads\/2026\/04\/foojay_free_ebook_ad-510x510.png 510w, https:\/\/foojay.io\/wp-content\/uploads\/2026\/04\/foojay_free_ebook_ad-1024x1024.png 1024w, https:\/\/foojay.io\/wp-content\/uploads\/2026\/04\/foojay_free_ebook_ad-768x768.png 768w, https:\/\/foojay.io\/wp-content\/uploads\/2026\/04\/foojay_free_ebook_ad-80x80.png 80w, https:\/\/foojay.io\/wp-content\/uploads\/2026\/04\/foojay_free_ebook_ad-120x120.png 120w, https:\/\/foojay.io\/wp-content\/uploads\/2026\/04\/foojay_free_ebook_ad.png 1200w\" sizes=\"auto, (max-width: 510px) 100vw, 510px\" \/><\/figure>\n<\/div>\n\n\n<p>Java developers from around the world are writing a book about a question that's becoming impossible to ignore: how do we write software that's good for both our projects and the planet?<\/p>\n\n\n\n<p><em>Sustainability for Java Developers: Towards an Understanding of Sustainable Java Software Development<\/em> is now <a target=\"_blank\" href=\"https:\/\/leanpub.com\/sustainabilityforjavadevelopers\">freely available on Leanpub<\/a>, bringing together Java Champions, architects, and technical writers to look at sustainability from every angle.<\/p>\n\n\n\n<p>The book covers everything from the environmental footprint of our data centers to the ethics of open source supply chains, from efficient data formats to the often-overlooked topic of career longevity.<\/p>\n\n\n\n<p>The current chapters (because the book continues to grow and everyone is invited to participate) are:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Chapter 1: Fair Trade Software \u2014 Maarten Mulders and Geertjan Wielenga<\/li>\n\n\n\n<li>Chapter 2: Stopping the Data Madness \u2014 Frank Delporte<\/li>\n\n\n\n<li>Chapter 3: Impact of Architecture \u2014 Simon Martinelli and Jan Ouwens<\/li>\n\n\n\n<li>Chapter 4: Career and Wellbeing \u2014 Markus Westergren<\/li>\n\n\n\n<li>Chapter 5: Sustaining Success: Java's Evergreen Appeal in a Rapidly Changing Tech Landscape \u2014 A N M Bazlur Rahman<\/li>\n\n\n\n<li>Chapter 6: Simple Things You Can Do Right Now \u2014 Jan Ouwens and Ko Turk<\/li>\n\n\n\n<li>Chapter 7: Java as a Scripting Language: Sustainable Code from Day One \u2014 A N M Bazlur Rahman<\/li>\n<\/ul>\n\n\n\n<p>You'll find practical advice you can use today\u2014like configuring build caching or using Java 25's scripting features\u2014alongside deeper discussions about mentorship, community, and why sustainable practices actually make business sense.<\/p>\n\n\n\n<p>The project has grown out of the Foojay (Friends of OpenJDK) community, where members from different companies and countries found they shared the same concerns about sustainability.<\/p>\n\n\n\n<p>Because it's published on Leanpub, the book will keep evolving with reader feedback\u2014and others are welcome to join in with their own content.<\/p>\n\n\n\n<p>You can get your copy now at <a target=\"_blank\" href=\"https:\/\/leanpub.com\/sustainabilityforjavadevelopers\" rel=\"noreferrer noopener\">leanpub.com\/sustainabilityforjavadevelopers<\/a>.<\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Towards an Understanding of Sustainable Software Development Java developers from around the world are writing a book about a question that&#8217;s becoming impossible to ignore: how do we write software that&#8217;s good for both our projects and the planet? Sustainability &#8230;<\/p>\n","protected":false},"author":47,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-123541","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>foojay \u2013 a place for friends of OpenJDK<\/title>\n<meta name=\"description\" content=\"foojay is the place for all OpenJDK Update Release Information. Learn More.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/foojay.io\/sustainability-for-java-developers\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"foojay \u2013 a place for friends of OpenJDK\" \/>\n<meta property=\"og:description\" content=\"foojay is the place for all OpenJDK Update Release Information. Learn More.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/foojay.io\/sustainability-for-java-developers\/\" \/>\n<meta property=\"og:site_name\" content=\"foojay\" \/>\n<meta property=\"article:modified_time\" content=\"2026-04-24T12:12:16+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/foojay.io\/wp-content\/uploads\/2026\/04\/foojay_free_ebook_ad.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"1200\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/foojay.io\\\/sustainability-for-java-developers\\\/\",\"url\":\"https:\\\/\\\/foojay.io\\\/sustainability-for-java-developers\\\/\",\"name\":\"foojay \u2013 a place for friends of OpenJDK\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/foojay.io\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/foojay.io\\\/sustainability-for-java-developers\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/foojay.io\\\/sustainability-for-java-developers\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/foojay.io\\\/wp-content\\\/uploads\\\/2026\\\/04\\\/foojay_free_ebook_ad-510x510.png\",\"datePublished\":\"2026-04-24T12:12:15+00:00\",\"dateModified\":\"2026-04-24T12:12:16+00:00\",\"description\":\"foojay is the place for all OpenJDK Update Release Information. Learn More.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/foojay.io\\\/sustainability-for-java-developers\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/foojay.io\\\/sustainability-for-java-developers\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/foojay.io\\\/sustainability-for-java-developers\\\/#primaryimage\",\"url\":\"https:\\\/\\\/foojay.io\\\/wp-content\\\/uploads\\\/2026\\\/04\\\/foojay_free_ebook_ad.png\",\"contentUrl\":\"https:\\\/\\\/foojay.io\\\/wp-content\\\/uploads\\\/2026\\\/04\\\/foojay_free_ebook_ad.png\",\"width\":1200,\"height\":1200},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/foojay.io\\\/sustainability-for-java-developers\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/foojay.io\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Sustainability for Java Developers\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/foojay.io\\\/#website\",\"url\":\"https:\\\/\\\/foojay.io\\\/\",\"name\":\"foojay\",\"description\":\"a place for friends of OpenJDK\",\"publisher\":{\"@id\":\"https:\\\/\\\/foojay.io\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/foojay.io\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/foojay.io\\\/#organization\",\"name\":\"foojay\",\"url\":\"https:\\\/\\\/foojay.io\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/foojay.io\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/foojay.io\\\/wp-content\\\/uploads\\\/2020\\\/04\\\/cropped-Favicon.png\",\"contentUrl\":\"https:\\\/\\\/foojay.io\\\/wp-content\\\/uploads\\\/2020\\\/04\\\/cropped-Favicon.png\",\"width\":512,\"height\":512,\"caption\":\"foojay\"},\"image\":{\"@id\":\"https:\\\/\\\/foojay.io\\\/#\\\/schema\\\/logo\\\/image\\\/\"},\"sameAs\":[\"https:\\\/\\\/x.com\\\/foojay2020\"]}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"foojay \u2013 a place for friends of OpenJDK","description":"foojay is the place for all OpenJDK Update Release Information. Learn More.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/foojay.io\/sustainability-for-java-developers\/","og_locale":"en_US","og_type":"article","og_title":"foojay \u2013 a place for friends of OpenJDK","og_description":"foojay is the place for all OpenJDK Update Release Information. Learn More.","og_url":"https:\/\/foojay.io\/sustainability-for-java-developers\/","og_site_name":"foojay","article_modified_time":"2026-04-24T12:12:16+00:00","og_image":[{"width":1200,"height":1200,"url":"https:\/\/foojay.io\/wp-content\/uploads\/2026\/04\/foojay_free_ebook_ad.png","type":"image\/png"}],"twitter_misc":{"Est. reading time":"2 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/foojay.io\/sustainability-for-java-developers\/","url":"https:\/\/foojay.io\/sustainability-for-java-developers\/","name":"foojay \u2013 a place for friends of OpenJDK","isPartOf":{"@id":"https:\/\/foojay.io\/#website"},"primaryImageOfPage":{"@id":"https:\/\/foojay.io\/sustainability-for-java-developers\/#primaryimage"},"image":{"@id":"https:\/\/foojay.io\/sustainability-for-java-developers\/#primaryimage"},"thumbnailUrl":"https:\/\/foojay.io\/wp-content\/uploads\/2026\/04\/foojay_free_ebook_ad-510x510.png","datePublished":"2026-04-24T12:12:15+00:00","dateModified":"2026-04-24T12:12:16+00:00","description":"foojay is the place for all OpenJDK Update Release Information. Learn More.","breadcrumb":{"@id":"https:\/\/foojay.io\/sustainability-for-java-developers\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/foojay.io\/sustainability-for-java-developers\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/foojay.io\/sustainability-for-java-developers\/#primaryimage","url":"https:\/\/foojay.io\/wp-content\/uploads\/2026\/04\/foojay_free_ebook_ad.png","contentUrl":"https:\/\/foojay.io\/wp-content\/uploads\/2026\/04\/foojay_free_ebook_ad.png","width":1200,"height":1200},{"@type":"BreadcrumbList","@id":"https:\/\/foojay.io\/sustainability-for-java-developers\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/foojay.io\/"},{"@type":"ListItem","position":2,"name":"Sustainability for Java Developers"}]},{"@type":"WebSite","@id":"https:\/\/foojay.io\/#website","url":"https:\/\/foojay.io\/","name":"foojay","description":"a place for friends of OpenJDK","publisher":{"@id":"https:\/\/foojay.io\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/foojay.io\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/foojay.io\/#organization","name":"foojay","url":"https:\/\/foojay.io\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/foojay.io\/#\/schema\/logo\/image\/","url":"https:\/\/foojay.io\/wp-content\/uploads\/2020\/04\/cropped-Favicon.png","contentUrl":"https:\/\/foojay.io\/wp-content\/uploads\/2020\/04\/cropped-Favicon.png","width":512,"height":512,"caption":"foojay"},"image":{"@id":"https:\/\/foojay.io\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/x.com\/foojay2020"]}]}},"_links":{"self":[{"href":"https:\/\/foojay.io\/wp-json\/wp\/v2\/pages\/123541","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/foojay.io\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/foojay.io\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/foojay.io\/wp-json\/wp\/v2\/users\/47"}],"replies":[{"embeddable":true,"href":"https:\/\/foojay.io\/wp-json\/wp\/v2\/comments?post=123541"}],"version-history":[{"count":0,"href":"https:\/\/foojay.io\/wp-json\/wp\/v2\/pages\/123541\/revisions"}],"wp:attachment":[{"href":"https:\/\/foojay.io\/wp-json\/wp\/v2\/media?parent=123541"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}