So, instead, we will install the specific OpenJDK 17 version, which we are targeting. However, we will not use this approach since we want to install the latest Java LTS version, 17. More information about all releases is here. According to the table below, Java 8 reached the end of active support in March 2022, while Java 11 will reach the same point in September 2023. Ubuntu offers three Java LTS releases: 8, 11, and 17. Therefore, the best choice for installing the Java version on our Ubuntu system would be one of the LTS releases. In comparison, the non-LTS versions get only six months of support. These are the ones with a 5-year support period. Like some Linux distributions, the Linux kernel, and other software, Java provides LTS (Long Term Support) versions. So, let us help you with the right choice. So, if you search for available Java implementations, you will find a long list of choices for 8, 11, 17, 18, and 19. In its repositories, Ubuntu 22.04 includes different versions of OpenJDK. Which Java Version Should You Install on Your Ubuntu 22.04 System? Contrary, Oracle’s JDK follows other licensing policies, such as the “ Oracle No-Fee Terms and Conditions” (NFTC) license. ![]() In other words, OpenJDK is an entirely open-source Java implementation licensed under the GNU General Public License. The most significant difference between them is the licensing model. After all, OpenJDK has the same code as Oracle’s JDK. If you’re wondering if Oracle’s Java implementation has any advantages over OpenJDK, the short answer is no, it doesn’t. This requires manual interventions, such as downloading and installing the DEB package, which complicates the entire process. There, however, you have some limitations, such as that due to Oracle’s licensing agreement for Java doesn’t allow automatic installation through package managers. However, in addition to this approach, you can get Java support on your Ubuntu system by installing Oracle’s official Java implementation. ![]() The first and recommended one, which we will use in this guide, is to install Java from the official Ubuntu repositories, giving you a system with OpenJDK installed. You can use one of the following two approaches to install Java on your Ubuntu system. Oracle’s JDK or OpenJDK: Which to Choose? In other words, if you are developing Java applications, you will need the OpenJDK, while if you want to run Java applications, the OpenJRE is sufficient. Therefore, the JDK component of OpenJDK includes the JRE component but not vice versa. In summary, OpenJDK is a complete Java development and runtime environment, while OpenJRE is a runtime environment only. OpenJRE does not include the development tools and compilers that are part of the JDK. It includes the Java Virtual Machine (JVM), the engine that runs Java code, and the Java class libraries, which provide the core functionality of the Java platform. OpenJRE is a runtime environment for Java applications.It includes a Java Development Kit (JDK), which provides tools for developing and compiling Java applications, and a Java Runtime Environment (JRE), which is necessary for running Java applications on a user’s computer. OpenJDK is an open-source Java SE (Standard Edition) platform implementation. ![]() Here are the key differences between the two: OpenJDK and OpenJRE are related but, at the same time, distinct software components used in the Java development and execution environment. In this guide, we will provide step-by-step instructions on installing Java on Ubuntu 22.04 LTS, including the commands and configuration changes needed to get started.īefore that, however, we want to give you some clarity about the different editions and versions of Java, both to be as helpful and informative as possible and to give you as clear an understanding as possible of each of the steps in this guide. Therefore, installing Java on Ubuntu 22.04 LTS is crucial for anyone looking to develop or run Java applications on their Ubuntu machine. On the other hand, Java is a programming language allowing them to create complex applications that can run on different platforms. Ubuntu is a widespread Linux distribution widely used among developers. Are you looking to install Java on Ubuntu 22.04 LTS? Our step-by-step guide will walk you through the process with ease.
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