Richard Dallaway shows an example of what Scala looks like when using pattern matching over classes, how to encode an idea into types and use advanced features of Scala without complicating the code.
Alex Blewitt introduces modularity in general, and the choices that OSGi made in bringing modularization to the JVM. He also looks ahead and asks how OSGi and Jigsaw will evolve in the future.
Jonathan Graham presents how to implement our own versions of the Clojure functions reduce, count, filter, map and pmap.
Simon Ritter looks at the fundamentals of how modularity in Java works, explaining the impact project Jigsaw has on writing apps, and how encapsulation will change in JDK 9.
Ned Twigg discusses using RxJava to wrap SWT events, looking at a few simple SWT UI's, and coding them using raw SWT and then again using RxJava.
John Oliver takes a look at both G1 and Shenandoah, explaining how they work, what are their limitations, providing tuning advice. He also looks at recent and future changes to garbage collection.
Monica Beckwith talks about G1 pause (young and mixed) composition, G1's remembered sets and collection set and G1's concurrent marking algorithm, providing performance tuning advice.
Mark Price explores the life cycle of Java code, and how the JVM evolves the runtime representation of code during program execution, providing tips to make sure Java code runs fast.
Chris Newland discusses performance-boosting techniques used by the JVM’s JIT and introduces JITWatch, a tool helping to get the best JVM performance for a code.
Bozhidar Batsov introduces CIDER, an interactive development environment for Clojure, discussing building dev tools on top of Emacs, the history of the project, current state and plans for its future.
Thomas Schindl introduces the components and APIs available to build a custom IDE, showing how to build one that has Syntax Highlighting, Autocomplete, Error Reporting, Outline-Viewer and git support.
Martin Lippert introduces “Boot Dashboard”, a new open source tool for developing, deploying and debugging microservices in the cloud.