Successfully reported this slideshow.

Devoxx uk lambdas hackday

311 views

Published on

Brief introductory presentation, for the Lambdas Hackday at DevoxxUK

Published in: Technology, News & Politics
  • Free Download : http://gg.gg/114bb

    Hey Guyz and girls, Today I am gonna show you perfact tool, Remember This video is old, But the download link with hack is brand new. Its very simple to using this tool and here are some instructions in video. Please REDOWNLOAD. Don't Forget to Comment Subscribe & Rate My Video :)

    Virus Scan :- This file has been scanned with avast! Antivirus. -- Status: FILE IS CLEANN.

    Copyright © 2014. All Rights Reserved
       Reply 
    Are you sure you want to  Yes  No
    Your message goes here
  • Be the first to like this

Devoxx uk lambdas hackday

  1. 1. Higher Order Lab Richard Warburton Stuart Marks Maurice Naftalin Graham Allan John Oliver
  2. 2. Why are we here?● Learn about lambda expressions and collections● Feedback on the new API● Have fun
  3. 3. Whats on the USB Stick?● OpenJDK binaries with lambda support ○ Windows ○ Mac ○ Linux● Javadoc for the new API● IDEs with Support ○ Idea ○ Netbeans
  4. 4. Expectations● You have a laptop ○ or a friend with a laptop!● Youve been to a lambdas talk ... ○ "Lambdas and Collections in Java 8" ○ "Accelerated Lambda Programming"● ... or you know the basics already
  5. 5. Whos WhoInstructors: put up your hands!
  6. 6. What should we focus on● At first just write the basics● Revamped collections methods ○ flatMap() ○ reduce()● Collect Changes: ○ into(new ArrayList<>()) => collect(toList()) ○ groupBy(classifier) => collect(groupingBy(classifier))
  7. 7. Exercise Ideas:● Sort a list of strings alphabetically within length.● Count number of words in a document ○ http://www.gutenberg.org● Implement sum and average of command- line arguments● Count word frequency in a document ○ maybe without loading the entire document into memory?● Feedback @ bit.ly/14iINWi● github.com/AdoptOpenJDK/Lambdas
  8. 8. Any Questions? Feedback @ bit.ly/14iINWigithub.com/AdoptOpenJDK/Lambdas

×