Not a "language" enhancement per se, but I find Collection Factory Methods a nice improvement. https://www.sitepoint.com/ultimate-guide-to-java-9/#collectionfa

Not a "language" enhancement per se, but I find Collection Factory Methods a nice improvement. https://www.sitepoint.com/ultimate-guide-to-java-9/#collectionfactorymethods https://www.sitepoint.com/ultimate-guide-to-java-9/#collecti...