That's the purpose of the JAVA_HOME environment variable. It tells programs where to find the Java installation. Java installers have come a long way over the years. In the past to install Java one ...

JAVA_HOME is an operating system (OS) environment variable which can optionally be set after either the Java Development Kit (JDK) or the Java Runtime Environment (JRE) is installed. The JAVA_HOME ...

Environment Variables are responsible for storing information about the OS’s environment. Different apps and programs require different configurations and it is the job of Windows to ensure that ...

As you may already know Environment variables are local to the process ... Read: How to set JAVA_HOME in Windows? Why my Java version is not showing in Command Prompt? If the Java version is ...