What is JAVA_HOME directory?

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 variable points to the file system location where the JDK or JRE was installed.

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Does Android Studio needs JDK?

The next piece of software for you to install is called Android Studio. This is an official text editor and integrated development environment (IDE) for developing Android apps. You must install Oracle JDK before installing Android Studio , so please don’t start this step until you have completed Step 1 above.

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