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OpenJDK is also available on openSUSE, Red Hat Enterprise Linux and RHEL derivatives such as CentOS. On July 12, 2008, Debian accepted OpenJDK-6 in unstable, and it later was included in stable. Packages for IcedTea6 were also created for Debian and included in Lenny. Ubuntu also first packaged IcedTea7 before later moving to IcedTea6. It was also the first to use OpenJDK for the package name (via the OpenJDK trademark agreement) instead of IcedTea. Fedora 9 was the first version to be shipped with IcedTea6, based on the OpenJDK6 sources from Sun rather than OpenJDK7.

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In May 2008, the Fedora 9 and Ubuntu 8.04 ĭistributions included IcedTea 6, based completely on free and open source code.

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IcedTea provided free software alternatives for the few remaining proprietary sections in the OpenJDK project.

One of the first benefits of this agreement is tighter alignment with the IcedTea project, which brings together Fedora, the Linux distribution, and JBoss, the application server, technologies in a Linux environment. On November 5, 2007, Red Hat signed both the Sun Contributor Agreement and the OpenJDK Community TCK License.

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It began life as an OpenJDK/ GNU Classpath hybrid that could be used to bootstrap OpenJDK, replacing the encumbrances with code from GNU Classpath. To achieve openness, Red Hat started the IcedTea project in June 2007. Due to the encumbered components in the class library and implicit assumptions within the build system that the JDK being used to build OpenJDK was a Sun JDK, this was not possible. In order to bundle OpenJDK in Fedora and other free Linux distributions, OpenJDK needed to be buildable using only free software components. IcedTea and inclusion in software distributions (moved to IBM Semeru Runtime Certified Edition at version 11) (moved to Eclipse Temurin at Adoptium in 2021) Linux distributions have always offered their own builds, and Windows also offers one now ( November 2020)ĭue to Oracle no longer releasing updates for long-term support (LTS) releases under a permissive license, others have begun offering builds. Further details may exist on the talk page. Please expand the section to include this information.

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This section is missing information about presence of installer providing system integration (Windows registry, Mac framework, Linux MIME). Unlike past JDK Release Projects, which produced just one feature release and then terminated, this long-running project will produce all future JDK feature releases and will ship a feature release every six months according to a strict, time-based model. Since JDK 10, the effort to produce an open-source reference implementation of the Java SE Platform was moved over to the JDK Project. OpenJDK was initially based only on the JDK 7 version of the Java platform. The experimental -XX:+EnableJVMCIProduct flag enables the use of Graal JIT (JEP 317). OpenJDK 9+ supports AOT compilation ( jaotc) using GraalVM (JEP 295). The only currently available free plugin and Web Start implementations as of 2016 are those provided by IcedTea. Sun previously indicated that they would try to open-source these components, but neither Sun nor Oracle have done so. The web-browser plugin and Web Start, which form part of Oracle Java, are not included in OpenJDK. The OpenJDK project produces a number of components: most importantly the virtual machine ( HotSpot), the Java Class Library and the Java compiler ( javac). OpenJDK is the official reference implementation of Java SE since version 7.

Were it not for the GPL linking exception, components that linked to the Java Class Library would be subject to the terms of the GPL license. The implementation is licensed under the GPL-2.0-only with a linking exception. It is the result of an effort Sun Microsystems began in 2006. OpenJDK ( Open Java Development Kit) is a free and open-source implementation of the Java Platform, Standard Edition (Java SE). Linux, FreeBSD, macOS, Microsoft Windows, OpenIndiana several other ports in progress

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