Installing the Open Java Development Kit on Ubuntu.Verifying the Installation of the JRE on Ubuntu.Installing the Open Java Runtime Environment On Ubuntu.Installing the OpenJDK Version of Java to Ubuntu.These steps for installing Java should work for all versions of Ubuntu, including Ubuntu 18.04 and Ubuntu 20.04.

The Oracle version, while slightly faster, has restrictive licenses you must accept and requires you to signup to download the software. Instead you have to download it through their website.įor this guide, we will be focusing on using the OpenJDK version of Java on Ubuntu. Due to licensing, we cannot install this version to Ubuntu by using the repository. The second variant that you can install is the Oracle JDK. For the most part, it is on par with the official Oracle JDK but doesn’t perform quite as well. While Oracle contributes to the development of OpenJDK, it is also developed by the wider community. It is a free and open-source implementation of Java. This is the easiest to install as it is available through the package repository. There are two different versions of Java that you can install on Ubuntu. This runtime environment takes the compiled Java bytecode and converts it into instructions for the native architecture. The Java runtime environment is required to run any software that has been written in the Java programming language. In this guide, we will be showing you how to install Java to your Ubuntu operating system.

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