jdk23 (Java Platform Standard Edition Development Kit) The Java Platform Standard Edition Development Kit (JDK) includes both the runtime environment (Java virtual machine, the Java platform classes and supporting files) and development tools (compilers, debuggers, tool libraries and other tools). The JDK is a development environment for building applications, applets and components that can be deployed with the Java Platform Standard Edition Runtime Environment. After installation you will need to log out from the system and log in back for environment variables get updated. NOTE: this version is not updated with the latest security patches and reached End of Life on March 18, 2025.