Install OpenJDK on Windows and Linux

Windows Installation

1. Download OpenJDK here.
2. To use OpenJDK 11 with Red Hat Developer Studio, follow the Red Hat Developer Studio instructions.

Red Hat Enterprise Linux Installation

To install OpenJDK 11 on Red Hat Enterprise Linux:

1. Ensure that you have enabled the Optional channel, by running the following commands:

   yum repolist all

   yum-config-manager --enable rhel-7-server-optional-rpms

2. Install the OpenJDK 11 package, by running the following command:

   yum install java-11-openjdk-devel

     * In order to configure Red Hat JBoss Developer Studio or Eclipse to use the OpenJDK 11, follow these instructions.

Red Hat Enterprise Linux 6 Installation

To install OpenJDK 11 on Red Hat Enterprise Linux 6:

1. Ensure that you are subscribed to the base channel.

2. Install the OpenJDK 11 package, by running the following command:

   yum install java-11-openjdk-devel