![]() ![]() ![]() We hope this tutorial was enough Helpful. How to install Apache Maven on Ubuntu 20.04.You might want to check the following guides: You have successfully installed Java8 and Java 11 on your Ubuntu 20. JAVA_HOME="/usr/lib/jvm/java-11-openjdk-amd64"Ġ2- Finally, verify that the JAVA_HOME environment variable was correctly set: The JAVA_HOME environment variable is used by some Java applications to determine the Java installation location and specify which Java version should be used to run the application.Ġ1- To set the JAVA_HOME variable, you can update the /etc/environment file as below: Press to keep the current choice, or type selection number:Ġ3- Finally, enter the number of the Java version you want to use as the default and press Enter: Setting the JAVA_HOME Environment Variable * 0 /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/java-8-openjdk-amd64/jre/bin/java 1081 manual mode There are 2 choices for the alternative java (providing /usr/bin/java). So, if you installed multiple Java versions on your Ubuntu system, you can use the update-alternatives command to set which Java version will be used by default.Ġ1- To check what Java version is set as the default one, type:Ġ2- If you want to change the default version, use the command alternatives to list all the installed Java versions. 5.2 Add JAVAHOME at a new line and point it to one of the installed JDK. 5.1 Open the file /etc/environment with your favorite text editors like vi, vim, or nano. OpenJDK 64-Bit Server VM (build 25.252-b09, mixed mode) On Ubuntu, we can add the JAVAHOME to the system-wide environment variables /etc/environment. ![]() OpenJDK 64-Bit Server VM (build 11.0.7+10-post-Ubuntu-3ubuntu1, mixed mode, sharing)Ġ1- If your application requires Java 8, so, you can install it by excuting the below command: OpenJDK Runtime Environment (build 11.0.7+10-post-Ubuntu-3ubuntu1) Installing OpenJDK 11Ġ1- in the first place, run the following command as root or user with sudo privileges to install Java 11:Ġ2- Once the installation is complete, you can verify it by checking the Java version: Before that, it is important to know which package i.e. In this tutorial, we will explain how to install one or more Java ( OpenJDK) versions on Ubuntu 20.04 and how to set the default Java via update-alternatives command. In this article, we would discuss how to install OpenJDK JRE / JDK in Ubuntu 20.04 LTS release. sudo apt install openjdk-14-jdk-headless. Update the repo and then install the OpenJDK version 14 using the apt command: sudo apt update. Java is one of the most popular programming languages used to build different types of applications and systems. Step 1 Installing OpenJDK version 14 on Ubuntu 20.04 LTS. ![]()
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