So the PATH environment variable should include JAVA_HOME: PATH = Other Paths + JAVA_HOMEOther paths are set by various programs installed in the operating system. For example: JAVA_HOME = c:\Program Files\Java\jdk1.8.0_201 Why is JAVA_HOME needed?To develop Java applications, you need to update the PATH environment variable of the operating system so development tools like Eclipse, NetBeans, Tomcat… can be executed because these programs need JDK/JRE to function. What is JAVA_HOME?By convention, JAVA_HOME is the name of an environment variable on the operating system that points to the installation directory of JDK (Java Development Kit) or JRE (Java Runtime Environment) – thus the name Java Home. In this article, you will understand the details about JAVA_HOME environment variable and how to set it on Windows 10.
