Escaping JHell with JShell in Java 9

The Java Core Libraries are mature, well-understood and loved, but don’t you always run into corner cases where they don’t work so well? In this talk, which is entirely live-coded, you will learn key updates and improvements that you’ll get to enjoy in the next exciting version of Java: Java 9. You will also get to see the new REPL - JShell in action as an educational tool. In this session you will learn about:

• Collection factories
• Improvements to Streams and Collectors
• Improvements to Optional Data Type

If you’ve already heard a lot about project Jigsaw and want to know about what other Java 9 updates will rock your world, come to this talk!