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Need help installing OpenJDK 11 on MacOS? Click here to learn how in this simple, easy-to-follow tutorial with sample code!

OpenJDK is a production-ready open-source build of the Java Development Kit, version 12.0.2, an implementation of the Java SE 12.0.2 Platform under the GNU General Public License, version 2, with the Classpath Exception.

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If you download the .tar.gz for OpenJDK 11 directly from http://jdk.java.net/11/, there’s no obvious installation instructions (at least that I could find) on the OpenJDK website or in the .gz file. If you’ve done any fiddling with different JDK versions on MacOS before, you’ve probably come across the ‘/usr/libexec/java_home’ utility, which composes a number of useful things relating to the JDK that you’re currently using in your PATH. Click here for my previous article about this utility and answers to this StackOverflow post, which includes one of the most extensive and useful guides to running different JDK versions on MacOS that I’ve seen.

JDK 14 is the open-source reference implementation of version 14 of the Java SE Platform as specified by by JSR 389 in the Java Community Process. JDK 14 reached General Availability on 17 March 2020. Older releases, which do not include the most up to date security vulnerability fixes and are no longer recommended for use in production, remain available in the OpenJDK Archive. GA Releases JDK 15.

/usr/libexec/java_home: This will show you where the current JDK home is, for example:


/usr/libexec/java_home -V: This lists all installed JDKs, which is shown below:


To switch between JDKs, use /usr/libexec/java_home -v version (e.g. 10):


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Knowing that your available JDKs are installed to /Library/Java/JavaVirtualMachines/ by default, moving the contents of the downloaded OpenJDK 11 dir from inside the .gz file to the same location would make sense.

Once you’ve moved it there, java_home -V now shows the new JDK in place:


Updating my aliases to quickly switch versions in my .bash_profile, I now have:


Sourcing the .bash_profile (source .bash_profile) and then running each alias, now I’ve got OpenJDK 11 set up and ready to go!


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Openjdk Mac Download

JDK 9 & Later

Oracle's OpenJDK JDK binaries for Windows, macOS, and Linux areavailable on release-specific pages of jdk.java.net as .tar.gz or.zip archives.

As an example, the archives for JDK 13 may be found on jdk.java.net/13 and may be extractedon the command line using

$ tar xvfopenjdk-13*_bin.tar.gz

or

$ unzipopenjdk-13*_bin.zip

depending on the archive type.

JDK 8

Debian, Ubuntu,etc.

On the command line, type:

$ sudo apt-get installopenjdk-8-jre

The openjdk-8-jre package containsjust the Java Runtime Environment. If you want to develop Javaprograms then please install the openjdk-8-jdk package.

Fedora, OracleLinux, Red Hat Enterprise Linux, etc.

On the command line, type:

$ su -c 'yum installjava-1.8.0-openjdk'

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The java-1.8.0-openjdk packagecontains just the Java Runtime Environment. If you want to developJava programs then install the java-1.8.0-openjdk-devel package.

JDK 7

Debian, Ubuntu,etc.

On the command line, type:

$ sudo apt-get installopenjdk-7-jre

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The openjdk-7-jre package containsjust the Java Runtime Environment. If you want to develop Javaprograms then install the openjdk-7-jdkpackage.

Fedora, OracleLinux, Red Hat Enterprise Linux, etc.

On the command line, type:

$ su -c 'yum installjava-1.7.0-openjdk'

The java-1.7.0-openjdk packagecontains just the Java Runtime Environment. If you want to developJava programs then install the java-1.7.0-openjdk-devel package.

JDK 6

Debian, Ubuntu,etc.

On the command line, type:

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$ sudo apt-get installopenjdk-6-jre
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The openjdk-6-jre package containsjust the Java Runtime Environment. If you want to develop Javaprograms then install the openjdk-6-jdkpackage.

Fedora, OracleLinux, Red Hat Enterprise Linux, etc.

On the command line, type:

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$ su -c 'yum installjava-1.6.0-openjdk'

The java-1.6.0-openjdk packagecontains just the Java Runtime Environment. If you want to developJava programs then install the java-1.6.0-openjdk-devel package.

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BSD Port

For a list of pointers to packages of the BSD Port forDragonFly BSD, FreeBSD, Mac OS X, NetBSD and OpenBSD, please seethe BSD porting Project's wikipage.