How to install OpenJDK 11 on Mac using brew

In this tutorial, I will show you how to install OpenJDK 11 Mac. You have to pay for Oracle JDK so it’s better to use OpenJDK.

OpenJDK (Open Java Development Kit) is a free and open-source implementation of the Java Platform, Standard Edition (Java SE).[1] It is the result of an effort Sun Microsystems began in 2006. The implementation is licensed under the GNU General Public License (GNU GPL) version 2 with a linking exception. 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.


Read Also: How to install Java 8 on Ubuntu 18.04

Read Also: How to install Java 8 on Debian

Read Also: How to install Java 10 on Mac using brew

1. Brew tap

First of all, we need to tap a brew repo. Execute the following command:

$ brew tap AdoptOpenJDK/openjdk

The above will add more repositories to brew.

Read Also: How to uninstall/remove Java 10 from Mac

2. Install OpenJDK 11 Mac

After adding tap, let’s install OpenJDK using brew.

$ brew cask install adoptopenjdk11

Or on newer version

$ brew install --cask adoptopenjdk11

So, now we have installed Java 11, we can check the installation with the following command.

3. Check JDK Version

Now we can check the JDK version.

# java -version
openjdk version "11.0.2" 2019-01-15
OpenJDK Runtime Environment AdoptOpenJDK (build 11.0.2+9)
OpenJDK 64-Bit Server VM AdoptOpenJDK (build 11.0.2+9, mixed mode)

Now Java has installed properly.

4. Java Location

Now let’s check the java path.

# which java

Please let me know how you liked the tutorial.

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6 Comments Posted

  1. Chetan thank you for this useful directions.
    In my case because of access restriction I got this error:
    Error: Permission denied @ dir_s_mkdir – /usr/local/Caskroom/adoptopenjdk11/11.0.4,11
    Next command resolved issue:
    sudo chown -R $(whoami) /usr/local/Caskroom/adoptopenjdk11

    • Hey Michael,

      Thanks for reaching out. If the java -version shows the old version that means the new version is not installed properly. brew automatically adds the new version to the path.
      Alternatively, you can find where new version is installed and link it to the /usr/bin/java like this:
      sudo ln -s /path/of/java /usr/bin/java

      You can find java using locate or find command also.

  2. He doesn’t really need to. He is doing you a favour already, explaining everything else. This is the problem with our industry. People like you who feel entitled for everything.

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