Java Se Development Kit 8 🚀 👑

// Before: Mutable, confusing months (0-indexed) Calendar cal = Calendar.getInstance(); cal.set(2014, 2, 18); // March 18, 2014

javac -version

The introduction of lambda expressions has also led to the creation of functional interfaces, which are interfaces with a single abstract method. The java.util.function package provides a set of built-in functional interfaces, such as Predicate , Function , and Consumer , which can be used to represent common functional programming concepts. java se development kit 8

This utility packages multiple compiled class files and associated metadata into a single Java Archive (JAR) file for easy distribution. // Before: Mutable