![]() ![]() After the installation has completed, let's verify the Java version: OpenJDK version 11.0.8 This tutorial will explain how to install Java 8, Java 11, and Oracle Java 15 on Ubuntu 20.04 server. ![]() The following output indicates that Java has not installed on your Ubuntu 20.04: Now, you can install the default JRE by executing the following command: $ sudo apt install default-jre. The openjdk-15-jre package contains just the Java Runtime Environment To Install OpenJDK 15 Java Runtime - Enter the below command on Ubuntu 18.04 / ubuntu 20.04 command line. Instead, it automatically downloads, installs and optionally sets Oracle Java 15 as the default Java (runs update-alternatives, exports the JAVA_HOME environment variable, etc.) on your system. Copy This Oracle Java 15 installer is based on the Web Upd8 Java package (so the credits go to its original creators), with minor modifications, and it does not contain any Oracle Java binaries. To install this version, first update the package index: sudo apt update. By default, Ubuntu 20.04 includes Open JDK 11, which is an open-source variant of the JRE and JDK. See the release note for what's new in Oracle Java 15 The easiest option for installing Java is to use the version packaged with Ubuntu. The installer script has been made into PPA for Ubuntu 16.04, Ubuntu 18.04, Ubuntu 20.04, and their derivatives. Oracle Java 15 was released a few days ago.
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