For Java-based programs such as Maven, Jenkins, Gradle or Tomcat to run, they need to know that Java's JDK is installed. That's the purpose of the JAVA_HOME environment variable. It tells programs ...

If you want to download and install Java JDK 18 on Windows 11/10 computer, you will also have to set up a Path in Environment Variable.

Learn how to download, install, delete, update, uninstall Java and to view & manage Java Runtime, Runtime Environment, JRE Settings, Java Cache in Windows.