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# How To Install Java On Ubuntu 26.04 LTS (Linux)
In this complete step-by-step tutorial, you'll learn **how to install Java on Ubuntu 26.04 LTS** and configure your Linux system for Java development. Java is one of the most widely used programming languages and is essential for building desktop applications, backend services, enterprise software, Android applications, development tools, and many other types of software.
Whether you're a beginner learning Java, a software developer, Linux user, student, DevOps engineer, or preparing your Ubuntu machine for programming, this guide will show you how to install Java correctly and verify that everything is working.
In this video, we'll start by explaining **what Java is and why you may need it on Ubuntu Linux**. You'll learn about the Java Development Kit (JDK), Java Runtime Environment (JRE), and Java Virtual Machine (JVM), and understand the role each component plays when running or developing Java applications.
Next, we'll walk through the process of installing Java on **Ubuntu 26.04 LTS** using the Linux terminal and Ubuntu's package management system. You'll learn how to update your package lists, install the appropriate Java package, and verify the installation using standard Java commands.
Topics covered in this tutorial:
* What is Java?
* What is the JDK?
* What is the JRE?
* What is the JVM?
* Java installation on Ubuntu 26.04 LTS
* Updating Ubuntu packages
* Installing Java using APT
* Checking the installed Java
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2026/11/05
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