To set it as default, do the following 2 steps one by one.Ī.) Create symbolic links for the executable files: sudo update-alternatives -install /usr/bin/java java /usr/lib/jvm/jdk-20/bin/java 1 sudo update-alternatives -install /usr/bin/javac javac /usr/lib/jvm/jdk-20/bin/javac 1 sudo update-alternatives -install /usr/bin/jar jar /usr/lib/jvm/jdk-20/bin/jar 1 It installs the language files into ‘ /usr/lib/jvm/jdk-20/‘ directory. Then, extract the tarball to that directory via: sudo tar -zxf ~/Downloads/jdk-20_linux-aarch64_ -C /usr/lib/jvm/ 3. deb in file manager to install it via Ubuntu Software App.įor ARM device, run command to create ‘/usr/lib/jvm’ directory in case it does not exist: sudo mkdir -p /usr/lib/jvm Once you downloaded the package, open terminal (Ctrl+Alt+T) and run the command below to install the deb package: sudo apt install ~/Downloads/jdk-20_linux-圆4_bin.deb deb package for modern PC and laptops, or tarball for ARM cpu architecture.
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