Set variables based on the Java location and version for all users. For example, to run Java programs from anywhere, you need to set $JAVA_HOME and other variables to match your version of Java.Ĭreate a new file under /etc/profile.d directory. Java applications often require JAVA environment variables to be set in the system. The output may vary depending upon the package and the version you chose to be the default Java version. OpenJDK 64-Bit Server VM (build 11.0.12+7-post-Debian-2, mixed mode, sharing) OpenJDK Runtime Environment (build 11.0.12+7-post-Debian-2) Verify Java VersionĬheck the java version using the following command. Press to keep the current choice, or type selection number: 1Įnter the number below the selection column to set the default Java version. There are 4 choices for the alternative java (providing /usr/bin/java).Ġ /usr/lib/jvm/java-11-openjdk-amd64/bin/java 1111 auto modeġ /usr/lib/jvm/java-11-openjdk-amd64/bin/java 1111 manual modeĢ /usr/lib/jvm/jdk-11.0.12/bin/java 2 manual modeģ /usr/lib/jvm/jdk-16.0.2/bin/java 1 manual mode If your system has multiple Java versions, then the command would list all Java versions like below.
Use the alternatives command to set the default java version. Sudo update-alternatives -install /usr/bin/java java /usr/lib/jvm/jdk1.8.*/bin/java 3 Sudo update-alternatives -install /usr/bin/java java /usr/lib/jvm/jdk-11.*/bin/java 2 Sudo update-alternatives -install /usr/bin/java java /usr/lib/jvm/jdk-16.*/bin/java 1
#Java se runtime environment 8 update 144 install
Run update-alternatives commands to install Java on your system. Sudo tar -zxvf jdk-8u301-linux-圆4.tar.gz -C /usr/lib/jvm/ Install Oracle Java JDK/JRE Install / Extract the downloaded Oracle Java package. Wget -no-check-certificate -no-cookies -header "Cookie: oraclelicense=accept-securebackup-cookie" If you still want to use the command line, use the below command.
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