Yahd

Yahd, also known as Yahd.exe, is a command-line utility primarily used in Windows environments for managing the Java Development Kit (JDK) installation. It allows users to easily switch between different versions of the JDK installed on their system. This is particularly useful for developers who need to work with projects that have specific Java version requirements.

The core functionality of Yahd revolves around identifying and registering installed JDKs. Once these installations are recognized, Yahd provides commands to set the active JDK version for the current user or the entire system. This modification typically involves updating environment variables, such as JAVA_HOME and the system's PATH variable, ensuring that the correct Java executable is found and used by the operating system and other applications.

Yahd aims to simplify the process of managing multiple Java installations, which can otherwise be a complex and error-prone task. Instead of manually editing environment variables or using complex batch scripts, users can leverage Yahd's straightforward commands to configure their Java environment efficiently. While not a standard component of the JDK itself, Yahd has gained traction among developers as a convenient tool for version management. Its availability is typically through third-party download sources.