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 ...

is one of the most well-known environment variables that you must configure when setting up the Java path or configuring ADB ...

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 ...

Reflection was essential to the advanced Java toolkit for years ... They are special variables that refer to parts of the runtime environment otherwise hidden from your code.

Set up in memory by the operating system each time it is booted, the variables hold the current environment configuration, such as computer and login name, CPU type and the names of the system ...