![]() Use the update-alternatives program to configure multiple versions of Java Make jdk1.9.0 the default Java on your system If you already have directory named /usr/lib/jvm/jdk-9.0.1, move it out of the way: sudo mv /usr/lib/jvm/jdk-9.0.1 I’ll assume we downloaded the tar.gz file into the directory ~/opt/Java tar xvzf jdk-9.0.1_linux-圆4_Ĭreate the directory /usr/lib/jvm sudo mkdir -p /usr/lib/jvm ![]() (As of Dec 6, 2018, the direct link to this file is here.) Unpack the tar.gz file downloaded in the previous step ![]() I’ll assume we’re using Linux on an 圆4 machine, so we would,įor example, download a file with a name like jdk-9.0.1_linux-圆4_. (These notes are mainly for my own reference, but alsoĬome in handy when I need to something to point to whenĪ colleague or student needs to know how to do this.) Download the latest JDK from Oracle Multiple versions of the Java Development Kit (JDK) on This post describes the steps I use to update or install ![]()
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