Java 9

Java 9 - try with resources enhancement

Java 9 - Diamond Operator Enhancements

Java 9 - Safe Varargs Annotation Enhancements

Java 9 - Factory methods for creating unmodified Collection

Java 9 - Stream API Enhancements

Java 9 - JSHELL Complete Guide

Java 9 - JPMS Complete Guide

Java 9 - Java Linker (JLink)

Java 9 - Process API Updates (JEP-102)

Java 9 - HTTP/2 Client