Title: Java Code Coverage mechanics Abstract: JaCoCo is a widely adopted code coverage library for the JVM which is integrated in many build tools and IDEs. In this talk the we will explore the tricky implementation details of the library, including support of Java 9. And how participation in OpenJDK Quality Outreach helps us test OpenJDK Early Access builds, report bugs to OpenJDK and improve the library. Time: Usually this talk takes 35-40 min, 25 might be too tight, but can do my best to fit in 25. Speaker: Evgeny Mandrikov Twitter: @_godin_ Recording me on audio and/or video: Acceptable under a CC-BY-2.0 license Bio: Evgeny is a contributor to various open source projects and a speaker at international conferences and JUGs. Together with Marc Hoffmann, he is the project lead of JaCoCo and the award-winning EclEmma project at the Eclipse Foundation that integrates JaCoCo into Eclipse. In his day job at SonarSource Evgeny develops SonarQube’s static source code analysis for languages such as Java, C/C++, C#, JavaScript.