![]() ![]() JAVA_HOME=/usr/lib/jvm/java-8-openjdk-amd64 You can set these variables in /etc/environment file using the following command. Step 3 – Setup JAVA_HOME and JRE_HOME VariableĪs you have installed Java on your Linux system, You must have to set JAVA_HOME and JRE_HOME environment variables, which is used by many of the Java applications to find Java libraries during runtime. OpenJDK 64-Bit Server VM (build 25.252-b09, mixed mode) Let’s verify the installed and current active version using the following command. You have successfully installed Java 8 on your system. Sudo apt install openjdk-8-jdk openjdk-8-jre Run below commands to install Java 8 on Ubuntu and LinuxMint. You can simply install Java 8 on an Ubuntu system using the following commands. The OpenJDK 8 is available under default Apt repositories. Follow the below steps to install Java 8 on Ubuntu via the command line. Use this tutorial to install OpenJDK Java 8 on Ubuntu 19.10, 18.04 LTS, 16.04 LTS, LinuxMint 19, 18 using PPA. Read this => Install Oracle Java 11 on Ubuntu 18.04 LTS (Bionic).Read this => Install Oracle Java 11 on Ubuntu 16.04 LTS (Xenial).You may also continue to this tutorial to install OpenJDK 8. ![]() You can use below link to install Java 11. Īlias u7='source /home/aboullaite/Utils/Java/u7.sh'Īlias u8='source /home/aboullaite/Utils/Java/u8.sh'Īlias u9='source /home/aboullaite/Utils/Java/u9.sh'Īnd That's all.IMPORTANT: The Oracle Java 8 is no longer available to download publicaly. The final step is to add an alias in ~/.bashrc file to source our script as follow. Note that I'm using u8.sh to make he switch to Java 8, and u9.sh for Java 9 and so on. Then, for each version I created a script that contain the following lines (in the example below, I'm showing the one for java 8): sudo update-java-alternatives -s java-8-oracleĮxport JAVA_HOME=/usr/lib/jvm/java-8-oracle/ Press to keep the current choice, or type selection number:īut I'm using it just to get the Installation path of each Java version. * 0 /usr/lib/jvm/java-8-openjdk-amd64/jre/bin/java 1081 auto modeġ /usr/lib/jvm/java-6-oracle/jre/bin/java 1 manual modeĢ /usr/lib/jvm/java-7-oracle/jre/bin/java 2 manual modeģ /usr/lib/jvm/java-8-openjdk-amd64/jre/bin/java 1081 manual modeĤ /usr/lib/jvm/java-8-oracle/jre/bin/java 3 manual modeĥ /usr/lib/jvm/java-9-oracle/bin/java 4 manual mode There are 5 choices for the alternative java (providing /usr/bin/java). Running this command shows a list of installed Java JDKs and JREs allowing one to be selected as the default that is used when java needs to be executed. Today, I'll share with you my tip on this subject. Working with multiple Java versions in your machine is a normal thing, especially if you're a Java developer, and because I'm a (very) lazy person, I'm always looking for a quicker/easier way to make the switch. So whenever Oracle will release the update, I can simple upgrade via package manager. The Wepupd8 team didn’t add any binary for Oracle JAVA installation and they made a script to download the Oracle JAVA from Oracle website and install it straight away. Personally I prefer using Wepupd8 PPA to manage JAVA installation, it makes my life a lot more easier especially for updates. If you're using Ubuntu Linux on your daily basis work, you've probably Java installed on your machine. ![]()
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