Learn how to set JAVA_HOME as the Environment variable in Windows and also how to check or test the JAVA_HOME configuration setup using CMD.

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

The default-java folder is a symbolic link to the actual location of the JDK install on Ubuntu. When you reference the JDK install location in applications or in environment variables such as ...