This document will show you how to install jenv, review its most common commands, show example workflows and identify known issues. Use your platform appropriate package manager to install java.

It sets JAVA_HOME inside your shell, in a way that can be set globally, local to the current working directory or per shell.

This is useful when developing Android applications, which generally require Java 8 for its tools, versus server applications, which use later versions like Java 11.

It lets you switch between java versions.

Jenv gives you a few critical affordances for using java on development machines: This is an updated fork of jenv, a beloved Java environment manager adapted from rbenv. Whatever his decision, I thank him for his work, and to have convincing me to think about the future of jEnv and accepting a new maintainer for the good of the project. If you are looking to use Java for development purposes, you will first need to install the Java Development Kit, which contains all of the necessary software required for developing Java-based applications.As he makes an incredible work by taking time to merge the Pull Request on his fork, I am in discussion with him to take part of jEnv directly if he wants. OpenJDK 64-Bit Server VM (build 25.252-b09, mixed mode)Ĭongratulations, you have now installed Java! Installing the Java Development Kit (JDK)

If the installation was successful, the output should look something like this:.

Once the installation has finished, you can verify the installation with the following command:.If it is not already installed, you can install Java with the following command:.Before installing Java, you will first want to check to see if it is already installed.Installing the JRE will require use of the standard Ubuntu commands apt and apt-get to download and install the necessary software packages. In order to run Java-based software on your machine, you must first install the Java Runtime Environment. Install Java on your Dedicated Hosting server and start developing today! Installing Java For CentOS 7 users, please refer to this article. As this process differs depending on your operating system, this article will focus on installing Java on Ubuntu via the command-line interface (CLI). In order to start developing with Java or installing programs that require the Java Runtime Environment (JRE) to operate, you must first install Java and the Java Development Kit (JDK).

Java is a general-purpose programming language that can be used to develop a wide variety of applications.

Ubuntu install java plugin