Ubuntu is an open source software operating system that runs from the desktop, to the cloud, to all your internet connected things.

Feb 2, 2026 · Learn how to install Java (JRE & JDK) on Ubuntu using apt. Step-by-step guide to setting up Java, verifying installation, and managing multiple versions.

Feb 4, 2026 · Install Java on Ubuntu using apt. Learn how to install OpenJDK and Oracle JDK, manage versions, and configure JAVA_HOME.

Mar 25, 2026 · Install JDK 25 on Ubuntu 24.04 and 22.04 using OpenJDK, Oracle JDK, or Temurin. Covers version switching, JAVA_HOME, GC config, and new JDK 25 features.

Mar 22, 2026 · And, I’ve written about how to install Oracle Java 21/25 in Ubuntu. Option 1: Install Open JDK 25 from System Repository Ubuntu supports the long term support (LTS) OpenJDK releases. …

Feb 14, 2026 · Java version can be verified after installation. Installing Java in Ubuntu To Install Java on Ubuntu, We're going to see the following 2 methods: Method 1: Install Java Using Default Repository …

Jan 27, 2026 · Learn how to install OpenJDK and Oracle JDK on Ubuntu 22.04. Covers Java 17, 21, and 25 LTS versions.

Mar 21, 2026 · Install Java 21 LTS on Ubuntu 24.04 and Debian 13 from default repos or Adoptium Temurin. Covers JAVA_HOME, update-alternatives, and Oracle JDK.

Sep 21, 2025 · Learn how to install and switch Java versions on Ubuntu, using Ubuntu repo or Oracle package. Essential for managing Java on Ubuntu systems.

Jan 16, 2026 · Java Runtime Environment (JRE) is a crucial component for running Java applications on your system. It provides the necessary libraries, the Java Virtual Machine (JVM), and other …