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London Java Community:The enigma of Java: the Java Memory Model
The enigma of Java: the Java Memory Model
Java Memory Model
Deep in the trenches of the Java Language Specification lies the enigmatic Java Memory Model. The Java Memory Model (JMM) is responsible for defining consistent thread behaviour with memory.

Without your awareness, your code can be subtly re-ordered, produce values out of thin air and read stale state. This is a scary proposition and James Perry hopes to provide clarity on this esoteric subject so you can walk away knowing what goes under the hood of Java's concurrency constructs.

ABOUT JAMES PERRY

More about James Perry

ABOUT THE LONDON JAVA COMMUNITY
The LJC currently has circa 2000 members. It was founded by Barry Cranford of RecWorks Ltd. The LJC is organised and run by Barry Cranford, Martijn Verburg and Ben Evans along with a committee of passionate Java enthusiasts.
More about the London Java Community
PODCAST THE ENIGMA OF JAVA: THE JAVA MEMORY MODEL
PROGRESSIVE JAVA COURSES
Brian Sletten's Semantic Web Technologies Bootcamp, BRIAN SLETTEN'S SEMANTIC WEB BOOTCAMP
David Laribee's Leading Lean/Agile Teams, DAVID LARIBEE'S LEADING LEAN/AGILE TEAMS
David Laribee's Leading Lean/Agile Teams, DAVID LARIBEE'S LEADING LEAN/AGILE TEAMS IN NYC
David Pollak's Lift Basics Workshop, DAVID POLLAK'S LIFT BASICS
Dierk Koenig's Practical Grails for Developers, DIERK KOENIG'S PRACTICAL GRAILS FOR DEVELOPERS
Dierk Koenig's Practical Groovy for Developers, DIERK KOENIG'S PRACTICAL GROOVY FOR DEVELOPERS
Dmitry Buzdin's Advanced Google Web Toolkit: Large-Scale GWT Development, DMITRY BUZDIN'S ADVANCED GOOGLE WEB TOOLKIT
Emil Ong's Caucho Resin Administration , EMIL ONG'S CAUCHO RESIN ADMINISTRATION
Spring Source's Enterprise Integration with Spring Training, ENTERPRISE INTEGRATION W SPRING
Gojko Adzic's Test Driven Development Workshop, GOJKO ADZIC'S TEST DRIVEN DEVELOPMENT WORKSHOP
Hans Dockter's Core Gradle: Gradle, a Build System for Java Workshop, HANS DOCKTER'S CORE GRADLE COURSE
SpringSource's Hibernate with Spring, HIBERNATE WITH SPRING
Howard Lewis Ship's Core TAPESTRY: Web Application Development with TAPESTRY, HOWARD LEWIS SHIP'S TAPESTRY WEB DEVELOPMENT COURS
Ian Robinson and Jim Webber's Neo4j Tutorial, IAN ROBINSON AND JIM WEBBER'S NEO4J TUTORIAL
Jan Machacek’s Practical Spring Integration Workshop, JAN MACHACEK’S SPRING INTEGRATION WORKSHOP
Jan Machacek’s Practical Spring Developer Workshop, JAN MACHACEK’S PRACTICAL SPRING WORKSHOP
John Smart's Java Power Tools Bootcamp, JOHN SMART'S JAVA POWER TOOLS
Jon Jagger & Kevlin Henney's Agile Development for Developers, JON & KEVLIN'S AGILE DEVELOPMENT COURSE
Jonas Boner's Akka: Simpler Scalability, Fault-Tolerance, Concurrency & Remoting through Actors and STM, JONAS BONER'S AKKA OVERVIEW WORKSHOP
Kito Mann's JSF2 in Action, KITO MANN'S JSF2 IN ACTION
Kito Mann's JSF2 Update Course, KITO MANN'S JSF2 UPDATE COURSE
Peter Lubbers' HTML5 Performance, Communication, and WebSockets Training Course, PETER LUBBERS' HTML5 PERFORMANCE & WEBSOCKETS
Peter Lubbers' HTML5 “Fast Track” - IN LONDON, PETER LUBBERS' HTML5 “FAST TRACK”
Rick Evans' Clustered Caching with Oracle Coherence, RICK EVANS' COHERENCE CLUSTERED CACHING
Simon Brown's Enterprise Software Developer, SIMON BROWN'S ENTERPRISE SOFTWARE DEVELOPER
Simon Brown's Software Architecture for Developers Workshop, SIMON BROWN'S SOFTWARE ARCHITECTURE FOR DEVELOPERS
SpringSource's Rich Web Applications with Spring Training, SPRINGSOURCE'S RICH WEB APPLICATIONS WITH SPRING T
SpringSource's Core Spring: Developing with the Spring Framework, SPRINGSOURCE'S SPRING APPLICATION DEVELOPMENT
Steve Freeman and Nat Pryce's Growing Real Systems Guided by Tests, STEVE FREEMAN AND NAT PRYCE'S GROWING SYSTEMS
Typesafe's Advanced Scala, TYPESAFE'S ADVANCED SCALA
Typesafe's Fast Track to Play, TYPESAFE'S FAST TRACK TO PLAY
Typesafe's Fast Track to Scala, TYPESAFE'S FAST TRACK TO SCALA
Uncle Bob's Clean Code: Agile Software Craftsmanship, UNCLE BOB'S CLEAN CODE WORKSHOP
PROGRESSIVE JAVA PODCASTS
Sven Efftinge:Xtend - A Programming Language for Java Developers, Xtend
Sven Efftinge : 1st Feb 2012		 View Podcast: Xtend - A Programming Language for Java Developers,
Martijn Verburg:Adopt a JSR, JSR
Martijn Verburg : 1st Feb 2012		 View Podcast: Adopt a JSR,
Tobias Lindaaker:Neo4j Internals, Neo4j Internals
Tobias Lindaaker : 25th Jan 2012		 View Podcast: Neo4j Internals,
Dave Springgay :HTML5, Android Webview and java bridging, HTML5 & Android Webview
Dave Springgay : 19th Jan 2012		 View Podcast: HTML5, Android Webview and java bridging,
Paul Butcher:ScalaMock: 'Power' mocking for Scala, ScalaMock
Paul Butcher : 18th Jan 2012		 View Podcast: ScalaMock: 'Power' mocking for Scala,
Malcolm Sparks:Reflections on a real-world Clojure application, Real-world Clojure
Malcolm Sparks : 17th Jan 2012		 View Podcast: Reflections on a real-world Clojure application,
Julian Birch:Lightning talk: 1000 lines of Clojure, 1000 lines of Clojure
Julian Birch : 17th Jan 2012		 View Podcast: Lightning talk: 1000 lines of Clojure,
Neale Swinnerton:Lightning talk: A Quick Guide to paredit-mode, paredit-mode
Neale Swinnerton : 17th Jan 2012		 View Podcast: Lightning talk: A Quick Guide to paredit-mode,
Nick Rothwell:Clojure and MaxMSP, Clojure & MaxMSP
Nick Rothwell : 17th Jan 2012		 View Podcast: Clojure and MaxMSP,
Peter Ledbrook:Upgrading to Grails 2, Grails 2
Peter Ledbrook : 16th Jan 2012		 View Podcast: Upgrading to Grails 2,
John T. Davies:Enterprise Integration - The seriously nasty stuff, Enterprise Integration
John T. Davies : 12th Dec 2011		 View Podcast: Enterprise Integration - The seriously nasty stuff,
Luke Daley:Smarter Testing with Spock, Spock
Luke Daley : 8th Dec 2011		 View Podcast: Smarter Testing with Spock,
Andres Almiray:Getting Groovy on the Web and Desktop, Getting Groovy on the Web and Desktop
Andres Almiray : 8th Dec 2011		 View Podcast: Getting Groovy on the Web and Desktop,
Erik Pragt:DiscoBot: Groovy on Android, DiscoBot: Groovy on Android
Erik Pragt : 8th Dec 2011		 View Podcast: DiscoBot: Groovy on Android,
Guillaume LaForge:KEYNOTE - Groovy Update, KEYNOTE - Groovy Update
Guillaume LaForge : 8th Dec 2011		 View Podcast: KEYNOTE - Groovy Update,
OTHER PROGRESSIVE JAVA EVENTS
Jan Machacek Spring in Scala, Spring in Scala
FREE EVENT: In The Brain of Jan Machacek
London, Wednesday, February 8th
Official RNIB Accessibility Hackathon, Official RNIB Accessibility Hackathon
CONFERENCE (2 DAYS)
London, Saturday, February 11th BOOK NOW!
ThoughtWorks Quarterly Briefings:Is programming language choice a good thing?, ThoughtWorks Quarterly Briefings
FREE EVENT: Is programming language choice
Manchester, Monday, February 13th
ThoughtWorks Quarterly Briefings:Is programming language choice a good thing?, ThoughtWorks Quarterly Briefings
FREE EVENT: Is programming language choice
London, Thursday, February 16th
London Android User Group:Core dev talk, London Android User Group
FREE EVENT: core dev
London, Thursday, February 16th
GGUG:Deploying Grails Applications, GGUG
FREE EVENT: Deploying Grails
London, Monday, February 20th
:SpringSource's Rich Web Applications with Spring Training, SpringSource's Rich Web Applications with Spring T
4 DAY COURSE.
London, Tuesday, February 21st
London Java Community:Zero Downtime of JavaEE applications and Home Automation with Java and Arduino, London Java Community
FREE EVENT: Zero Downtime Home Automation
London, Tuesday, February 21st
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