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 ...

you only need to download the Java Runtime Environment in order to run Java applications. Best productivity apps Find the best Windows 10 VPN The beauty of Java is that applications created for ...