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also</span> </div> </a> <ul id="toc-See_also-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-References" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#References"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>References</span> </div> </a> <ul id="toc-References-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-External_links" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#External_links"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>External links</span> </div> </a> <ul id="toc-External_links-sublist" class="vector-toc-list"> </ul> </li> </ul> </div> </div> </nav> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <nav aria-label="Contents" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" > <input type="checkbox" id="vector-page-titlebar-toc-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-titlebar-toc" class="vector-dropdown-checkbox " aria-label="Toggle the table of contents" > <label id="vector-page-titlebar-toc-label" for="vector-page-titlebar-toc-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-listBullet mw-ui-icon-wikimedia-listBullet"></span> <span class="vector-dropdown-label-text">Toggle the table of contents</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-titlebar-toc-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">Google Guava</span></h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" > <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-lang-btn" class="vector-dropdown-checkbox mw-interlanguage-selector" aria-label="Go to an article in another language. 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class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="en" dir="ltr"><div class="shortdescription nomobile noexcerpt noprint searchaux" style="display:none">Open-source set of common libraries for Java</div> <style data-mw-deduplicate="TemplateStyles:r1257001546">.mw-parser-output .infobox-subbox{padding:0;border:none;margin:-3px;width:auto;min-width:100%;font-size:100%;clear:none;float:none;background-color:transparent}.mw-parser-output .infobox-3cols-child{margin:auto}.mw-parser-output .infobox .navbar{font-size:100%}@media screen{html.skin-theme-clientpref-night .mw-parser-output .infobox-full-data:not(.notheme)>div:not(.notheme)[style]{background:#1f1f23!important;color:#f8f9fa}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .infobox-full-data:not(.notheme) div:not(.notheme){background:#1f1f23!important;color:#f8f9fa}}@media(min-width:640px){body.skin--responsive .mw-parser-output .infobox-table{display:table!important}body.skin--responsive .mw-parser-output .infobox-table>caption{display:table-caption!important}body.skin--responsive .mw-parser-output .infobox-table>tbody{display:table-row-group}body.skin--responsive .mw-parser-output .infobox-table tr{display:table-row!important}body.skin--responsive .mw-parser-output .infobox-table th,body.skin--responsive .mw-parser-output .infobox-table td{padding-left:inherit;padding-right:inherit}}</style><table class="infobox vevent"><caption class="infobox-title summary">Google Guava</caption><tbody><tr><th scope="row" class="infobox-label" style="white-space: nowrap;"><a href="/wiki/Programmer" title="Programmer">Original author(s)</a></th><td class="infobox-data">Kevin Bourrillion and Jared Levy (Google Collections Library) <sup id="cite_ref-javalobby-gcl_1-0" class="reference"><a href="#cite_note-javalobby-gcl-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup></td></tr><tr><th scope="row" class="infobox-label" style="white-space: nowrap;"><a href="/wiki/Programmer" title="Programmer">Developer(s)</a></th><td class="infobox-data"><a href="/wiki/Google" title="Google">Google</a></td></tr><tr><th scope="row" class="infobox-label" style="white-space: nowrap;">Initial release</th><td class="infobox-data">September 15, 2009<span class="noprint">; 15 years ago</span><span style="display:none"> (<span class="bday dtstart published updated">2009-09-15</span>)</span><sup id="cite_ref-releasehistory_2-0" class="reference"><a href="#cite_note-releasehistory-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup></td></tr><tr style="display: none;"><td colspan="2" class="infobox-full-data"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1257001546"></td></tr><tr><th scope="row" class="infobox-label" style="white-space: nowrap;"><a href="/wiki/Software_release_life_cycle" title="Software release life cycle">Stable release</a></th><td class="infobox-data"><div style="margin:0px;"><a rel="nofollow" class="external text" href="https://github.com/google/guava/releases/tag/v33.3.1">33.3.1</a> / September 24, 2024<span class="noprint">; 2 months ago</span><span style="display:none"> (<span class="bday dtstart published updated">2024-09-24</span>)</span><sup id="cite_ref-releasenotes_3-0" class="reference"><a href="#cite_note-releasenotes-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup></div></td></tr><tr style="display:none"><td colspan="2"> </td></tr><tr><th scope="row" class="infobox-label" style="white-space: nowrap;"><a href="/wiki/Repository_(version_control)" title="Repository (version control)">Repository</a></th><td class="infobox-data"><style data-mw-deduplicate="TemplateStyles:r1126788409">.mw-parser-output .plainlist ol,.mw-parser-output .plainlist ul{line-height:inherit;list-style:none;margin:0;padding:0}.mw-parser-output .plainlist ol li,.mw-parser-output .plainlist ul li{margin-bottom:0}</style><div class="plainlist"><ul><li><span class="url"><a rel="nofollow" class="external text" href="https://github.com/google/guava">github<wbr />.com<wbr />/google<wbr />/guava</a></span> <span class="mw-valign-text-top noprint" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q4140561#P1324" title="Edit this at Wikidata"><img alt="Edit this at Wikidata" src="//upload.wikimedia.org/wikipedia/en/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/10px-OOjs_UI_icon_edit-ltr-progressive.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/15px-OOjs_UI_icon_edit-ltr-progressive.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/20px-OOjs_UI_icon_edit-ltr-progressive.svg.png 2x" data-file-width="20" data-file-height="20" /></a></span></li></ul> </div></td></tr><tr><th scope="row" class="infobox-label" style="white-space: nowrap;">Written in</th><td class="infobox-data"><a href="/wiki/Java_(programming_language)" title="Java (programming language)">Java</a></td></tr><tr><th scope="row" class="infobox-label" style="white-space: nowrap;"><a href="/wiki/Operating_system" title="Operating system">Operating system</a></th><td class="infobox-data"><a href="/wiki/Cross-platform" class="mw-redirect" title="Cross-platform">Cross-platform</a></td></tr><tr><th scope="row" class="infobox-label" style="white-space: nowrap;"><a href="/wiki/Software_categories#Categorization_approaches" title="Software categories">Type</a></th><td class="infobox-data">Utility and Collection Libraries</td></tr><tr><th scope="row" class="infobox-label" style="white-space: nowrap;"><a href="/wiki/Software_license" title="Software license">License</a></th><td class="infobox-data"><a href="/wiki/Apache_License_2.0" class="mw-redirect" title="Apache License 2.0">Apache License 2.0</a></td></tr><tr><th scope="row" class="infobox-label" style="white-space: nowrap;">Website</th><td class="infobox-data"><span class="url"><a rel="nofollow" class="external text" href="https://guava.dev">guava<wbr />.dev</a></span></td></tr></tbody></table> <p><b>Google Guava</b> is an <a href="/wiki/Open-source_license" title="Open-source license">open-source</a> set of common libraries for <a href="/wiki/Java_(programming_language)" title="Java (programming language)">Java</a>, mainly developed by <a href="/wiki/Google" title="Google">Google</a> engineers. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Overview">Overview</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Google_Guava&action=edit&section=1" title="Edit section: Overview"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Google Guava can be roughly divided into three components: basic utilities to reduce manual labor to implement common methods and behaviors, an extension to the <a href="/wiki/Java_collections_framework" title="Java collections framework">Java collections framework</a> (JCF) formerly called the <b>Google Collections Library</b>, and other utilities which provide convenient and productive features such as <a href="/wiki/Functional_programming" title="Functional programming">functional programming</a>, <a href="/wiki/Graph_(abstract_data_type)" title="Graph (abstract data type)">graphs</a>, <a href="/wiki/Caching_algorithm" class="mw-redirect" title="Caching algorithm">caching</a>, range objects, and <a href="/wiki/Hash_function" title="Hash function">hashing</a>.<sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> </p><p>The creation and architecture of the collection component were partly motivated by <a href="/wiki/Generics_in_Java" title="Generics in Java">generics</a> introduced in <a href="/wiki/Java_Development_Kit" title="Java Development Kit">JDK</a> 1.5.<sup id="cite_ref-javalobby-gcl_1-1" class="reference"><a href="#cite_note-javalobby-gcl-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> Although generics improve the productivity of programmers, the standard JCF does not provide sufficient functionality, and its complement <a href="/wiki/Apache_Commons" title="Apache Commons">Apache Commons</a> Collections had not adopted generics in order to maintain <a href="/wiki/Backward_compatibility" title="Backward compatibility">backward compatibility</a>.<sup id="cite_ref-javalobby-gcl_1-2" class="reference"><a href="#cite_note-javalobby-gcl-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> This fact led two engineers Kevin Bourrillion and Jared Levy to develop an extension to JCF, which provides additional generic classes such as <a href="/wiki/Multiset" title="Multiset">multisets</a>, <a href="/wiki/Multimap" title="Multimap">multimaps</a>, <a href="/wiki/Bitmap" title="Bitmap">bitmaps</a>, and immutable collections.<sup id="cite_ref-javalobby-gcl_1-3" class="reference"><a href="#cite_note-javalobby-gcl-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> </p><p>The library's design and code were advised and reviewed by <a href="/wiki/Joshua_Bloch" title="Joshua Bloch">Joshua Bloch</a>, the original lead designer of the Java Collections framework, and <a href="/wiki/Doug_Lea" title="Doug Lea">Doug Lea</a>, one of the lead designers of <a href="/wiki/Java_concurrency" title="Java concurrency">concurrency utilities in JDK</a>.<sup id="cite_ref-javalobby-gcl_1-4" class="reference"><a href="#cite_note-javalobby-gcl-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> </p><p>As of April 2012, Guava ranked the 12th most popular Java library, next to the <a href="/wiki/Apache_Commons" title="Apache Commons">Apache Commons</a> projects and a few others.<sup id="cite_ref-sonatype_5-0" class="reference"><a href="#cite_note-sonatype-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> Research performed in 2013 on 10,000 GitHub projects found that Google-made libraries, such as <a href="/wiki/Google_Web_Toolkit" title="Google Web Toolkit">Google Web Toolkit</a> and Guava, constituted 7 of the top 100 most popular libraries in Java, and that Guava was the 8th most popular Java library.<sup id="cite_ref-githubresearch_6-0" class="reference"><a href="#cite_note-githubresearch-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="See_also">See also</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Google_Guava&action=edit&section=2" title="Edit section: See also"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1239009302">.mw-parser-output .portalbox{padding:0;margin:0.5em 0;display:table;box-sizing:border-box;max-width:175px;list-style:none}.mw-parser-output .portalborder{border:1px solid var(--border-color-base,#a2a9b1);padding:0.1em;background:var(--background-color-neutral-subtle,#f8f9fa)}.mw-parser-output .portalbox-entry{display:table-row;font-size:85%;line-height:110%;height:1.9em;font-style:italic;font-weight:bold}.mw-parser-output .portalbox-image{display:table-cell;padding:0.2em;vertical-align:middle;text-align:center}.mw-parser-output .portalbox-link{display:table-cell;padding:0.2em 0.2em 0.2em 0.3em;vertical-align:middle}@media(min-width:720px){.mw-parser-output .portalleft{clear:left;float:left;margin:0.5em 1em 0.5em 0}.mw-parser-output .portalright{clear:right;float:right;margin:0.5em 0 0.5em 1em}}</style><ul role="navigation" aria-label="Portals" class="noprint portalbox portalborder portalright"> <li class="portalbox-entry"><span class="portalbox-image"><span class="noviewer" typeof="mw:File"><a href="/wiki/File:Octicons-terminal.svg" class="mw-file-description"><img alt="icon" src="//upload.wikimedia.org/wikipedia/commons/thumb/6/6f/Octicons-terminal.svg/24px-Octicons-terminal.svg.png" decoding="async" width="24" height="28" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/6f/Octicons-terminal.svg/37px-Octicons-terminal.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/6f/Octicons-terminal.svg/49px-Octicons-terminal.svg.png 2x" data-file-width="896" data-file-height="1024" /></a></span></span><span class="portalbox-link"><a href="/wiki/Portal:Computer_programming" title="Portal:Computer programming">Computer programming portal</a></span></li></ul> <ul><li><a href="/wiki/Apache_Commons" title="Apache Commons">Apache Commons</a>, another set of common libraries for Java</li> <li><a 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.reflist-columns ol{margin-top:0}.mw-parser-output .reflist-columns li{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .reflist-upper-alpha{list-style-type:upper-alpha}.mw-parser-output .reflist-upper-roman{list-style-type:upper-roman}.mw-parser-output .reflist-lower-alpha{list-style-type:lower-alpha}.mw-parser-output .reflist-lower-greek{list-style-type:lower-greek}.mw-parser-output .reflist-lower-roman{list-style-type:lower-roman}</style><div class="reflist"> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-javalobby-gcl-1"><span class="mw-cite-backlink">^ <a href="#cite_ref-javalobby-gcl_1-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-javalobby-gcl_1-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-javalobby-gcl_1-2"><sup><i><b>c</b></i></sup></a> <a href="#cite_ref-javalobby-gcl_1-3"><sup><i><b>d</b></i></sup></a> <a href="#cite_ref-javalobby-gcl_1-4"><sup><i><b>e</b></i></sup></a></span> <span class="reference-text"><style data-mw-deduplicate="TemplateStyles:r1238218222">.mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free.id-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited.id-lock-limited a,.mw-parser-output .id-lock-registration.id-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription.id-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px no-repeat}body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-free a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-limited a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-registration a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-subscription a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .cs1-ws-icon a{background-size:contain;padding:0 1em 0 0}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:var(--color-error,#d33)}.mw-parser-output .cs1-visible-error{color:var(--color-error,#d33)}.mw-parser-output .cs1-maint{display:none;color:#085;margin-left:0.3em}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}@media screen{.mw-parser-output .cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}</style><cite id="CITEREFWielenga2007" class="citation web cs1">Wielenga, Geertjan (2007-10-23). <a rel="nofollow" class="external text" href="https://web.archive.org/web/20151119081726/http://www.javalobby.org/articles/google-collections/">"What is the Google Collections Library?"</a>. Javalobby. Archived from <a rel="nofollow" class="external text" href="http://www.javalobby.org/articles/google-collections/">the original</a> on 2015-11-19<span class="reference-accessdate">. Retrieved <span class="nowrap">2013-02-03</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=What+is+the+Google+Collections+Library%3F&rft.pub=Javalobby&rft.date=2007-10-23&rft.aulast=Wielenga&rft.aufirst=Geertjan&rft_id=http%3A%2F%2Fwww.javalobby.org%2Farticles%2Fgoogle-collections%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3AGoogle+Guava" class="Z3988"></span></span> </li> <li id="cite_note-releasehistory-2"><span class="mw-cite-backlink"><b><a href="#cite_ref-releasehistory_2-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://github.com/google/guava/wiki/ReleaseHistory">"Release History . Google Guava"</a>. <i><a href="/wiki/GitHub" title="GitHub">GitHub</a></i>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=GitHub&rft.atitle=Release+History+.+Google+Guava&rft_id=https%3A%2F%2Fgithub.com%2Fgoogle%2Fguava%2Fwiki%2FReleaseHistory&rfr_id=info%3Asid%2Fen.wikipedia.org%3AGoogle+Guava" class="Z3988"></span></span> </li> <li id="cite_note-releasenotes-3"><span class="mw-cite-backlink"><b><a href="#cite_ref-releasenotes_3-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://github.com/google/guava/releases">"Releases . Google Guava"</a>. <i><a href="/wiki/GitHub" title="GitHub">GitHub</a></i>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=GitHub&rft.atitle=Releases+.+Google+Guava&rft_id=https%3A%2F%2Fgithub.com%2Fgoogle%2Fguava%2Freleases&rfr_id=info%3Asid%2Fen.wikipedia.org%3AGoogle+Guava" class="Z3988"></span></span> </li> <li id="cite_note-4"><span class="mw-cite-backlink"><b><a href="#cite_ref-4">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://github.com/google/guava/wiki">"Home · google/Guava Wiki"</a>. <i><a href="/wiki/GitHub" title="GitHub">GitHub</a></i>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=GitHub&rft.atitle=Home+%C2%B7+google%2FGuava+Wiki&rft_id=https%3A%2F%2Fgithub.com%2Fgoogle%2Fguava%2Fwiki&rfr_id=info%3Asid%2Fen.wikipedia.org%3AGoogle+Guava" class="Z3988"></span></span> </li> <li id="cite_note-sonatype-5"><span class="mw-cite-backlink"><b><a href="#cite_ref-sonatype_5-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFO'Brien2012" class="citation web cs1">O'Brien, Tim (2012-05-14). <a rel="nofollow" class="external text" href="http://www.sonatype.com/people/2012/05/google-guava-shows-strong-growth-in-april/">"Google Guava Shows Strong Growth in April"</a>. Sonatype<span class="reference-accessdate">. Retrieved <span class="nowrap">2013-02-03</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Google+Guava+Shows+Strong+Growth+in+April&rft.pub=Sonatype&rft.date=2012-05-14&rft.aulast=O%27Brien&rft.aufirst=Tim&rft_id=http%3A%2F%2Fwww.sonatype.com%2Fpeople%2F2012%2F05%2Fgoogle-guava-shows-strong-growth-in-april%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3AGoogle+Guava" class="Z3988"></span></span> </li> <li id="cite_note-githubresearch-6"><span class="mw-cite-backlink"><b><a href="#cite_ref-githubresearch_6-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFWeiss2013" class="citation web cs1">Weiss, Tal (2013-11-20). <a rel="nofollow" class="external text" href="https://web.archive.org/web/20140709221250/http://www.takipiblog.com/2013/11/20/we-analyzed-30000-github-projects-here-are-the-top-100-libraries-in-java-js-and-ruby/">"We Analyzed 30,000 GitHub Projects – Here Are The Top 100 Libraries in Java, JS and Ruby"</a>. Archived from <a rel="nofollow" class="external text" href="http://www.takipiblog.com/2013/11/20/we-analyzed-30000-github-projects-here-are-the-top-100-libraries-in-java-js-and-ruby/">the original</a> on 2014-07-09<span class="reference-accessdate">. Retrieved <span class="nowrap">2014-02-04</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=We+Analyzed+30%2C000+GitHub+Projects+%E2%80%93+Here+Are+The+Top+100+Libraries+in+Java%2C+JS+and+Ruby&rft.date=2013-11-20&rft.aulast=Weiss&rft.aufirst=Tal&rft_id=http%3A%2F%2Fwww.takipiblog.com%2F2013%2F11%2F20%2Fwe-analyzed-30000-github-projects-here-are-the-top-100-libraries-in-java-js-and-ruby%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3AGoogle+Guava" class="Z3988"></span></span> </li> </ol></div></div> <div class="mw-heading mw-heading2"><h2 id="External_links">External links</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Google_Guava&action=edit&section=4" title="Edit section: External links"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a rel="nofollow" class="external text" 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