Uninstalls OpenJDK 11 or any Oracle Java for that matter.

Uninstall OpenJDK 11.py

#!/usr/bin/python

'''
Uninstall Java/OpenJDK

Deisgned to be run from Jamf Pro
Parameter 4 needs to be supplied - the version of Java/OpenJDK to remove
'''


import os, sys
import shutil
import subprocess
import plistlib


def get_jdk_version():
    """Returns the latest installed jdk version"""
    java_arch = "x86_64"

    try:
        jdk_home_output = "/usr/libexec/java_home -X"
        process = subprocess.check_output(jdk_home_output.split())
        jdk_version_plist = plistlib.readPlistFromString(process)

        i = 0
        while i < len(jdk_version_plist):
            if jdk_version_plist[i]["JVMArch"] == java_arch:
                jdk_version = jdk_version_plist[i]["JVMVersion"]
                break
            i += 1
    except subprocess.CalledProcessError:
        pass

    try:
        jdk_version
    except NameError:
        jdk_version = ""

    return jdk_version


def main():
    """Remove a specific version of Java / OpenJDK"""
    if sys.argv[4]:
        version_to_remove = sys.argv[4]
    else:
        print "Error: No version of Java specified"
        exit(1)

    # check that the relevant version of Java is installed
    jdk_version = get_jdk_version()
    version_check = "{}.".format(version_to_remove)
    if version_check not in str(jdk_version):
        print "Java / OpenJDK {} not installed".format(version_to_remove)
        exit()

    # remove the folders and files
    print "Removing all Java files and folders"
    java_folders = [
            '/Library/Java/JavaVirtualMachines/jdk{}.jdk'.format(jdk_version),
            '/Library/Java/JavaVirtualMachines/jdk-{}.jdk'.format(jdk_version),
            '/Library/PreferencePanes/JavaControlPanel.prefPane',
            '/Library/Internet Plug-Ins/JavaAppletPlugin.plugin',
            '/Library/Application Support/Oracle/Java/Deployment'
    ]
    for d in java_folders:
        try:
            shutil.rmtree(d)
            print "Deleted: {}".format(d)
        except OSError as e:
            print "Error: {0} - {1}.".format(e.filename, e.strerror)
    java_files = [
            '/Library/LaunchAgents/com.oracle.java.Java-Updater.plist',
            '/Library/PrivilegedHelperTools/com.oracle.java.JavaUpdateHelper',
            '/Library/LaunchDaemons/com.oracle.java.Helper-Tool.plist',
            '/Library/Preferences/com.oracle.java.Helper-Tool.plist',
            '/Library/Preferences/com.oracle.java.Java-Updater.plist',
            '/Library/Application Support/Oracle/Java/Deployment'
    ]
    for f in java_files:
        try:
            os.remove(f)
            print "Deleted: {}".format(d)
        except OSError as e:
            print "Error: {0} - {1}.".format(e.filename, e.strerror)


if __name__ == '__main__':
    main()