Java is a fast and reliable language used in a variety of domains, including game development, building web and mobile applications, chatbots, and enterprise-level software development. Despite the emergence of other popular programming languages such as Python, Java is still a relevant and powerful language especially in the development of enterprise-grade applications. Java is a high-level, general-purpose, and object-oriented programming language (OOP) that is popular among developers. Java is commonly used in the development of desktop and Android apps, games, big data and web applications to mention a few. #What is Java?įirst released in 1995, Java is now one of the world's most well-known and widely adopted programming languages, used to create robust, scalable and high-performance applications. I hope this guide was of importance to you.In this step-by-step Java tutorial, you will learn how to install Java on Ubuntu 22.04 server in multiple ways, including how to configure the default Java version on Ubuntu, and configure JAVA_HOME Environment Variable. echo $JAVA_HOMEįrom the above output, it is safe to assume that our Adoptium Temurin OpenJDK 17 on Ubuntu 22.04 installation works fine. Now apply the changes made by logging out and logging in again to your system or issue the source command as below. In the file, add the below line specifying the exact path where your Java has been installed. We will set a persistent path by editing the below file. This path is used by Java applications to determine the exact path where Java has been installed on your Ubuntu system and the version to use when running Java applications. Set global JAVA_HOME Environment Variable. List all the Java versions installed on Ubuntu 22.04. sudo update-alternatives -install /usr/bin/java java /opt/jdk-17.0.7+7/bin/java 1 Otherwise, you won’t see it in the Java alternatives. Since AdoptJDK 17 has not been added to the /usr/bin/java path, we will add it as below. In cases where you have multiple Java instances on your Ubuntu 22.04, you are required to set the default version of Java to be used. Set Default Java Version on Ubuntu 22.04. OpenJDK 64-Bit Server VM Temurin-17.0.7+7 (build 17.0.7+7, mixed mode, sharing) OpenJDK Runtime Environment Temurin-17.0.7+7 (build 17.0.7+7) echo $JAVA_HOMEĬheck the installed Java version on Ubuntu 22.04. Verify your AdoptOpenJDK 17 installation as below. sudo mv jdk-17.0.7+7 /opt/Įxport the environment variables. Move the extracted folder to the /opt/ directory. Install Adoptium Temurin OpenJDK 17 on Ubuntu 22.04. Now, download AdoptOpenJDK 17 binary file from the official Adoptium Downloads page.Īlternatively, you can download the archive from your Ubuntu 22.04 terminal using the command: wget Įxtract the archive file by using the command: tar xzfv OpenJDK17U-jdk_圆4_linux_hotspot_17.0.7_7.tar.gz This guide will show how to install the Adoptium Temurin OpenJDK 17 on Ubuntu 22.04Įnsure that your system and all the available packages are updated to their latest stable versions as below. Eclipse Temurin is the open-source Java SE build based upon OpenJDK.
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