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The OpenJDK website provides extensive documentation for OpenJDK 17, including API documentation and guides for developers. As an LTS release, it will be supported for a longer period of time than non-LTS releases, with bug fixes and security updates provided for several years. OpenJDK 17 was released in September 2021.

Enhanced AES encryption performance with vectorized implementation.

Extended support for Unicode 13.0.0, including support for the latest emoji characters.

Foreign function and memory access (Foreign Linker API) for accessing native code and data outside of the JVM.

Sealed classes and interfaces, which restrict the set of classes that can extend or implement them.

Records, which are classes that act as transparent carriers for immutable data.

Listed below are the few more features included in OpenJDK 17 OpenJDK 17 also includes support for newer operating systems and architectures, such as Apple Silicon. Enhanced pattern matching is another notable improvement, allowing developers to use patterns in more contexts, such as in if statements and variable assignments. This feature allows developers to use a more concise syntax for switch statements, making code easier to read and write. One of the most significant new features in OpenJDK 17 is improved switch expressions. Note: To uninstall previously installed OpenJDK please refer Uninstall OpenJDK Windows If you want to know more about OpenJDK, you can go through Open Java Development Kit Quick guide. For more details refer openjdk vs oracle jdk Main difference between Oracle JDK and OpenJDK is that OpenJDK is free for all while Oracle Java Development Kit or Oracle JDK requires commercial license.

OpenJDK is the short form of Open Java Development Kit similar to Oracle's Java Development Kit used to develop Java Applications. Install Openjdk on windows | openjdk installation windows What is OpenJDK