Navigate to Oracle Java JDK page and locate an appropriate system architecture relevant tarball. Let’s start by downloading Java JDK tarball from the official Oracle website. $ – requires given linux commands to be executed as a regular non-privileged user.# – requires given linux commands to be executed with root privileges either directly as a root user or by use of sudo command. Optionally, curl will be used to download an appropriate Java JDK tarball. Privileged access to your Debian Linux is required. The JAVA_HOME environment variable simply points to the folder in which Java was installed.The objective of this guide is to provide a simple to follow steps on how to install Java SE Development Kit on Debian Linux. If the java -version command outputs information about the version of Java installed, along with information about the JVM and runtime environment, then you successfully installed Java on Ubuntu with apt.Ĭonfiguring JAVA_HOME isn’t absolutely required, but many enterprise Java applications such as Tomcat or Kafka query the JAVA_HOME directory when they startup and use that information at runtime, so it’s prudent to configure it. To validate the successful install of Java on Ubuntu with apt, issue the following command: java -version To install Java on Ubuntu without any of the extra software development tools, you can install just the JRE with the following command: sudo apt install default-jre The JDK additionally has a few extra features packaged with it to facilitate software development. Setting up default-jdk-headless (2:1.11-72build2). Install the JDK with the following command: sudo apt install default-jdk The Java Development Kit (JDK) provides everything a user needs to run Java applications. The full Java suite includes the Java Runtime Environment (JRE), Java Virtual Machine (JVM) and utilities to develop Java source code.
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