Oracle Java 9 JDK and JRE installation scripts for macOS

Oracle has started to release Java 9 for macOS, so I’m posting a couple of scripts to download and install the following:

Oracle Java 9 JRE
Oracle Java 9 JDK

Oracle has been releasing two separate versions of Java 8 simultaneously and may do the same for Java 9, so these Java 9-focused scripts are designed to allow the user to set which version they want to install: the CPU release or the PSU release.

The difference between CPU and PSU releases is as follows:

• Critical Patch Update (CPU): contains both fixes to security vulnerabilities and critical bug fixes.
• Patch Set Update (PSU): contains all the fixes in the corresponding CPU, plus additional fixes to non-critical problems.

For more details on the differences between CPU and PSU updates, please see the link below:

http://www.oracle.com/technetwork/java/javase/cpu-psu-explained-2331472.html

For more information, please see below the jump.

The scripts are available on GitHub via the links below:

Oracle Java 9 JDK: https://github.com/rtrouton/rtrouton_scripts/tree/master/rtrouton_scripts/install_latest_oracle_java_jdk_9
Oracle Java 9 JRE: https://github.com/rtrouton/rtrouton_scripts/tree/master/rtrouton_scripts/install_latest_oracle_java_jre_9

The scripts are also available as payload-free packages, compressed and stored as .zip files in the payload_free_package directory available via the links above.

Oracle Java 9 JDK script:

The script below will download a disk image containing the latest version of the Java 9 JDK from Oracle and install the JDK using the installer package stored inside the downloaded disk image.

How the script works:

1. Verifies that the Mac is running a Java 9-compatible operating system
2. Uses curl to download a disk image containing the latest Java 9 JDK installer from Oracle’s web site
3. Renames the downloaded disk image to java_nine_jdk.dmg and stores it in the /tmp directory.
4. Mounts the disk image silently in the /tmp directory. The mounted disk image will not be visible to any logged-in user.
5. Installs the latest Java 9 JDK using the installer package stored inside the disk image.
6. After installation, unmounts the disk image and removes it from the Mac in question.

Oracle Java 9 JRE script:

The script below will download a disk image containing the latest version of the Java 9 JRE from Oracle and install the JRE using the installer package stored inside the downloaded disk image.

How the script works:

1. Verifies that the Mac is running a Java 9-compatible operating system
2. Uses curl to download a disk image containing the latest Java 9 JRE installer from Oracle’s web site
3. Renames the downloaded disk image to java_nine_jre.dmg and stores it in the /tmp directory.
4. Mounts the disk image silently in the /tmp directory. The mounted disk image will not be visible to any logged-in user.
5. Installs the latest Java 9 JRE using the installer package stored inside the disk image.
6. After installation, unmounts the disk image and removes it from the Mac in question.