Show Notes

Note, we’re switching to an every-other week

• Java SE 8 officially launched:
• Java Tutorials page on Java 8
• Great features as discussed on this tutorial
• Also examples on the GitHub repo – https://github.com/winterbe/java8-tutorial
• Cool new features include:
  • Lambda and functional interfaces (single method with @FunctionalInterface) – lots of built-in ones including ones from Guava
  • Extension methods – default methods (real code) for interfaces with the default keyword
  • References to methods and constructors with ::
  • Predicates – include test(), negate(), nonNull, isNull, isEmpty, etc…
  • Functions – single param, return a result, can be chained
  • Multiple Inheritance via Suppliers and Consumers
  • Enhanced Comparators
  • Optionals to wrap optional (nullable) values – to avoid NullPointerException
  • Streams – which can be attached to JDK collections and can have filters and sorting applied, can work on match, count, reduce, etc… Parallel streams are possible – i.e. spawn multiple threads
  • New Time (Date) API
  • Clock – access to current date/time, aware of timezone, can call Clock.systemDefaultZone().millis()
  • LocalTime, LocalDate, LocalDateTime, time Zones
  • Cool new repeatable annotations
  • Much more…
• Increase your productivity by improving your health in 7 mins: 7 min high intensity workout anyone can do

• Meet the machines that steal your phones data

• Introduction to Apache Avro – serialization processing API that is used by Hadoop tools and that you can use yourself

  • Introduction
  • Tutorial Part 1
  • Tutorial Part 2
  • Ken was trying to remember this serialization project for Javascript

• Haydle Hackathon Report – Fun with EmberJS

• Low energy BlueTooth with new AdaFruit device

• Let's talk Android Watches – Android Wear

  • Get Started with the Developer Preview

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