Java & JVM

Open source and innovation is at the core of the Java ecosystem, whether in frameworks or at the cutting edge of new JVM language development

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Location: Portland 256
Martijn Verburg (jClarity), Ben Evans (jClarity)
Average rating: ***..
(3.18, 17 ratings)
Based off the popular title 'The Well-Grounded Java Developer', this tutorial covers four major themes (Java 7, Functional programming, polyglot programming and modern concurrency) which we believe that all Well-Grounded Java developers should be aware of, and start practising to stay ahead of the game in 2012 and beyond. Read more.
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Location: D137-138
Daniel Hinojosa (evolutionnext.com), Dianne Marsh (Netflix)
Average rating: **...
(2.56, 9 ratings)
Koans are small Zen lessons, Scala Koans are small Zen lessons -- in Scala! Koans, as little exercises, are designed to provide tidbits of knowledge that when bundled together provide an in-depth understanding, Each Koan comes complete with their own little epiphanies of joy. Scala Koans have been a favorite for developers helping them make their path to Scala Nirvana. (laptop required) Read more.
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Location: D139-140
Tags: javafx
Stephen Chin (Oracle)
Average rating: ***..
(3.20, 5 ratings)
This session will introduce you to the JavaFX 2 platform from the perspective of a seasoned Java developer. The breadth of JavaFX APIs will be explained through several examples that we will build out during the course of the session. Read more.
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Location: D139-140
Michael Ernst (University of Washington), Werner Dietl (University of Waterloo)
Average rating: ***..
(3.69, 13 ratings)
Are you tired of null pointer exceptions, SQL injections, concurrency errors, mistaken equality tests, and other run-time errors? A compile-time tool named the Checker Framework has found hundreds of such errors in Java code. Come learn how you can use the tool to improve your own code. For those who don't use Java, we will explain the concept of pluggable type-checking that underlies the tool. Read more.
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Location: Portland 255
Arun Gupta (Oracle)
Average rating: ***..
(3.86, 7 ratings)
This talk introduces the Java EE 7 platform, the latest revision of the Java platform for the enterprise. Read more.
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Location: Portland 255
Martijn Verburg (jClarity), Ben Evans (jClarity)
Average rating: ***..
(3.29, 17 ratings)
The speakers recently stumbled across a time machine containing a system built in Java 8 technology which has fallen back in time. This talk will explain some of the advanced features and future code archeology of this amazing find! Read more.
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Location: Portland 255
Jonas Bonér (Typesafe)
Average rating: ***..
(3.67, 3 ratings)
This talk introduces the Akka platform. Akka is the platform for the next generation of event-driven, scalable and fault-tolerant architectures on the JVM. Read more.
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Location: Portland 255
Tim Berglund (GitHub)
Average rating: ****.
(4.00, 3 ratings)
Ratpack is a Groovy-based web framework inspired by Sinatra. This talk is an overview of Ratpack development paradigms, build idioms, and deployment options. Read more.
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Location: Portland 255
Trisha Gee (MongoDB)
Average rating: ***..
(3.71, 7 ratings)
The Disruptor is an open source concurrency framework developed by LMAX, a London financial exchange. While it’s fashionable to use languages to hide away multithreading, the Disruptor does the opposite - enables developers to parallelize their architecture easily. In this session, Trisha Gee will show how to use the Disruptor, proving that concurrent programming doesn't have to be complicated. Read more.
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Location: Portland 255
Gary Frost (AMD)
Aparapi provides an API for expressing data parallel workloads in Java and a runtime capable of converting Java bytecode into OpenCL for execution on a GPU. For some data-parallel algorithms, executing on the GPU can offer substantial performance gains. We will introduce Aparapi, demonstrate key features as well as discuss lessons learned during the transition from closed to open-source. Read more.
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Location: Portland 255
Abdelmonaim Remani (The NorCal Java User Group)
Average rating: **...
(2.42, 19 ratings)
Metaprograming is the dirty little secret behind the success of many Java frameworks such as Spring and Struts2, and constitutes the backbone of many of the most fundamental APIs across the JEE technology stack. This session aims introduce the topic and highlight with code examples the different mechanisms and techniques to take advantage of this underused feature of the Java Programming Language. Read more.
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Location: Portland 255
Jim Baker (Canonical)
Average rating: ****.
(4.00, 8 ratings)
Jython is arguably the best Python implementation to target concurrent code. Jython has no GIL, it leverages the Java platform to provide robust support for concurrency in its runtime, and it enables access to a set of high-level abstractions from Java. This talk will walk through a series of motivating examples that emphasize Java integration. Read more.
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Location: Portland 255
David Copeland (Stitch Fix)
Average rating: ****.
(4.67, 3 ratings)
Handling concurrency using events is getting a lot of focus these days, however it's not without its tradeoffs. By using powerful threading and concurrency libraries from the JVM, and the simple elegance of Ruby, developers can solve problems easily with maintainable and understandable code Read more.
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Location: Portland 255
Kirk Pepperdine (Independent)
Average rating: ***..
(3.62, 13 ratings)
After a brief introduction to a methodology to performance tune Java applications, the audience will guide me through the steps needed to tune an application using a number of "poor" (open source) tools that will be instrumental in helping you, the audience, diagnose and repair these problems. Read more.
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Location: Portland 255
William Au (CBS Interactive)
Average rating: ***..
(3.85, 13 ratings)
This session demonstrates how to troubleshoot the common problems that lead to hung and slow Java applications by going through case studies derived from actual problems we have seen on our production systems. Each case study is accompanied by a live demo of the tool best suited for troubleshooting that particular problem. Read more.
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Location: Portland 255
Hadi Hariri (JetBrains)
In this talk we demonstrate how easy it is to integrate Java and Kotlin in the same code base. You can keep all your java code and switch to Kotlin in the parts where you need conciseness, null-safety and enhanced APIs. We will cover Kotlin’s core features and enhancements to Java SDK: convenient (yet compatible) collection utilities, IO, String processing and much more. Read more.
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Location: Portland 255
James Ward (Typesafe)
Average rating: ****.
(4.46, 13 ratings)
This session will teach you how to pull together jQuery, LESS, Twitter Bootstrap, Java, and Play Framework to build the Client/Server web app. You will also learn how to deploy Client/Server web apps on the cloud using a Content Delivery Network (Amazon CloudFront) for the Client and a Cloud Application Provider (Heroku) for the Server. Read more.
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Location: E146
Erik Onnen (Urban Airship)
Average rating: ****.
(4.50, 6 ratings)
The JVM is capable of amazing network throughput and performance when used properly. Different languages (Java, Scala, Clojure), programming approaches (Asynchronous IO, Blocking IO) can greatly affect throughput and latency. This talk will draw on experience building networks of millions of devices to discuss best practices and contrast emerging idoms on the JVM. Read more.
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Location: Portland 255
Stuart Marks (Oracle)
Average rating: ***..
(3.33, 3 ratings)
Like many projects, OpenJDK has technical debt. OpenJDK, being an implementation of the Java platform, bears a greater burden: evolving the platform makes its own implementation go out of date. It's an enormous effort to keep the JDK up to date with Java. This talk examines this kind of technical debt in OpenJDK and presents some paths toward mitigating it. Read more.
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Location: E146
Stephen Chin (Oracle)
Average rating: *....
(1.00, 1 rating)
This presentation demonstrates the potential of using JavaFX 2 together with alternative languages such as Groovy, Clojure, and Scala. It also will showcase the successor to JavaFX Script, Visage, a DSL with features specifically targeted at helping create clean UIs. Read more.

Sponsors

For information on exhibition and sponsorship opportunities at the conference, contact Sharon Cordesse at (707) 827-7065 or scordesse@oreilly.com.

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