JAVA_HOME is an operating system environment variable that directs a user to the file system location where the JDK or JRE was installed.

Developers who have used Tomcat in any significant way are likely already familiar with using the environment variable JAVA_OPTS to specify how much memory should be allocated for an instance of ...

What does environment variable actually mean? Find out inside PCMag's comprehensive tech and computer-related encyclopedia.

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.