Sudo update-alternatives -install '/usr/bin/java' 'java' '/usr/lib/jvm/java-11-openjdk-amd64/bin/java' 2 Assign a priority to each version, where a higher number means a higher priority. Add each Java installation to the alternatives using the `update-alternatives` command. Typically, the java executable is located in a specific `bin` directory within the Java installation, e.g., `/usr/lib/jvm/java-11-openjdk-amd64/bin/java`.ģ. Take note of the installation paths for the Java versions you want to add to the alternatives. Use the `find` command or `locate` command, like this:Ģ. Start by finding the Java installations on your system. Here’s a step-by-step process to update Java alternatives:ġ. The Java alternatives system helps manage different Java installations by configuring default versions for tools like Java Compiler (javac), Java Runtime Environment (java), and Java Web Start (javaws). In order to update Java alternatives on a Linux-based system, you can use the `update-alternatives` command. Here is a step-by-step process to update these alternatives. This command helps manage different Java installations by configuring default versions for tools like Java Compiler (javac), Java Runtime Environment (java), and Java Web Start (javaws). Updating Java alternatives on a Linux-based system can be done using the `update-alternatives` command.

Update alternatives java