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Here is the Linux Mint 19.2 Example: $ sudo update-alternatives --install "/usr/bin/java" "java" "/usr/lib/jvm/jre1.8.0_181/bin/java" 8 $ sudo update-alternatives --config java There are 2 choices for the alternative java (providing /usr/bin/java). Selection Path Priority Status ------------------------------------------------------------ * 0 /usr/lib/jvm/java-11-openjdk-amd64/bin/java 1111 auto mode 1 /usr/lib/jvm/java-11-openjdk-amd64/bin/java 1111 manual mode 2 /usr/lib/jvm/jre1.8.0_181/bin/java 8 manual mode Press <enter> to keep the current choice[*], or type selection number: 2 update-alternatives: using /usr/lib/jvm/jre1.8.0_181/bin/java to provide /usr/bin/java (java) in manual mode $ java -version java version "1.8.0_181" Java(TM) SE Runtime Environment (build 1.8.0_181-b13) Java HotSpot(TM) 64-Bit Server VM (build 25.181-b13, mixed mode)