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copied!<p><strong>Edit (2015)</strong> - My current recommendation: <a href="http://www.eclemma.org/" rel="nofollow noreferrer">EclEmma</a> / <a href="http://www.eclemma.org/jacoco/" rel="nofollow noreferrer">JaCoCo</a>.</p> <p>Not sure why I didn't see this back in January 2012, as there was clearly active development with new versions consistently being reproduced even back then.</p> <p>I've since become a bit frustrated with Cobertura / eCobertura, as development since seems to have stalled, with support for current Java versions starting to be somewhat lacking.</p> <p>JaCoCo may have advanced since I last looked at this in 2012 (or I simply missed it entirely, or was looking at EMMA vs. JaCoCo) - but the current version provides excellent support built-in to Eclipse (provided by EclEmma) as well as many other IDEs, support for Apache Maven, Apache Ant, command-line, Java API, and many other third-party integrations. Please refer to the complete list at <a href="http://www.eclemma.org/jacoco/trunk/doc/integrations.html" rel="nofollow noreferrer">http://www.eclemma.org/jacoco/trunk/doc/integrations.html</a> .</p> <p>I am now switching some of my projects over to JaCoCo from Cobertura, and am very impressed by the integration and results - both in Maven reports as well as Eclipse. Not sure about competing solutions, but JaCoCo can even be configured to fail a build if certain thresholds of code coverage are not met.</p> <p>JaCoCo is specifically documented to support Java class files from version 1.0 all the way through 1.8<a href="http://www.eclemma.org/jacoco/trunk/doc/faq.html" rel="nofollow noreferrer">*</a>.</p> <p>I find their <a href="http://www.eclemma.org/jacoco/trunk/doc/mission.html" rel="nofollow noreferrer">Mission Statement</a> very respect-worthy.</p> <hr> <p><strong>References / Resources:</strong></p> <p>Especially as this question has unfortunately been closed, here is a mini-directory of some of the various references and resources that I used in making my decision - and which I encourage everyone here to refer to in order to make their own decisions.</p> <ul> <li><a href="https://en.wikipedia.org/wiki/Java_Code_Coverage_Tools" rel="nofollow noreferrer">https://en.wikipedia.org/wiki/Java_Code_Coverage_Tools</a> - by Wikipedia's nature is more of a "living document", and will hopefully remain updated with any new related tools that may become available.</li> <li>The following should also somewhat fall into the same category of a "living document", but fall under probable bias / conflicts of interest - as each is from the vendor or organization that also produces such a tool: <ul> <li><a href="http://www.eclemma.org/resources.html" rel="nofollow noreferrer">http://www.eclemma.org/resources.html</a> (Provides EclEmma, JaCoCo)</li> <li><a href="https://confluence.atlassian.com/display/CLOVER/Comparison+of+code+coverage+tools" rel="nofollow noreferrer">https://confluence.atlassian.com/display/CLOVER/Comparison+of+code+coverage+tools</a> (Provides Atlassian Clover)</li> </ul></li> <li>Presumably independent but dated reviews and comparisons: <ul> <li><a href="https://onlysoftware.wordpress.com/2012/12/19/code-coverage-tools-jacoco-cobertura-emma-comparison-in-sonar/" rel="nofollow noreferrer">Code Coverage Tools (JaCoCo, Cobertura, Emma) Comparison in Sonar</a> (2012-12-19, Patroklos Papapetrou, onlysoftware.wordpress.com)</li> <li><a href="https://stackoverflow.com/questions/9046171/eclipse-plugin-for-code-coverage">Eclipse plugin for code coverage</a> (2012-01-28, stackoverflow.com)</li> <li><a href="http://kurlenda.blogspot.com/2010/12/test-coverage-jacoco-vs-clover2.html" rel="nofollow noreferrer">Test coverage: jaCoCo vs Clover2</a> (Jakub Kurlenda, 2010-12-28, kurlenda.blogspot.com)</li> <li><a href="http://www.copperykeenclaws.com/notes-on-cobertura-vs-emma-vs-clover/" rel="nofollow noreferrer">Java Code Coverage: Cobertura vs. Emma vs Clover</a> (Tom Borthwick, 2010-10-23, copperykeenclaws.com)</li> <li><a href="http://www.sonarqube.org/pick-your-code-coverage-tool-in-sonar-2-2/" rel="nofollow noreferrer">Pick your code coverage tool in Sonar 2.2</a> (2010-08-05, Evgeny Mandrikov, sonarqube.org)</li> <li><a href="http://www.ibm.com/developerworks/java/library/j-cq01316/" rel="nofollow noreferrer">In pursuit of code quality: Don't be fooled by the coverage report</a> (Andrew Glover, 2006-01-31, ibm.com)</li> </ul></li> </ul> <hr> <p><strong><em>Previous</em></strong>:</p> <p><a href="http://ecobertura.johoop.de/" rel="nofollow noreferrer">eCobertura</a>.</p> <p>It does the job, it is free and open-source, it is more up-to-date than <a href="http://emma.sourceforge.net/" rel="nofollow noreferrer">EMMA</a>, and it is used by most of the other online open-source projects I'm familiar with. It also integrates very well into Maven - including some rather nice-looking reports.</p> <p>If you want to consider a commercial product, I'd consider Atlassian's <a href="http://www.atlassian.com/software/clover/overview" rel="nofollow noreferrer">Clover</a>.</p>

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