– Rock Commented Mar 28, 2019 at 19:06 Before I'd just update just one Listing (say /usr/java/most recent) to position for the java Edition I needed to use, and place /usr/java/most recent/bin on my path so I only required to do a single update to acquire javac, java, javap, and so on (all in a single change).StudyMonkey gives you a solution in