ABSTRACT      With the increasing use of parallel and asychronous processing in our Java applications the details of the Java Memory Model become more and more important.  This tutorial gives an overview of the Java Memory Model, the issues regarding visibility of memor modifications, the reordering of operations, the memory effects of volatile and atomic variables, the implementation of immutable types, the meaning of final fields and the initialization guarantee.

Level:	average
Duration:	60  min
Audience:	Java developers who develop multi-thread software and want to prepare their programs for use on multi-cpu platforms.  Java developers with an interest in performance optimizations.  Java developers with an interest in concurrent programming in general who want to brush up their knowledge.
Prerequisites:	Working knowledge of Java concurrency.
Presented at:	ACCU 2008 , Oxford, UK, April 2-5, 2008 JAX 2008 , Wiesbaden, Germany, April 21-25, 2008 Java Forum Stuttgart 2008 , Stuttgart, Germany, July 3, 2008 W-JAX 2008 , München, Germany, November 3-7, 2008 rhein-JUG 2009 , Mainz, Germany, March 9, 2009 J-Spring 2009 , Bussum, Netherlands, April 15, 2009 JAX 2009 , Mainz, Germany, April 20-24, 2009 Java Forum Stuttgart 2009 , Stuttgart, Germany, July 2, 2009 W-JAX 2009 , München, Germany, November 9-13, 2009 JSF Days 2010 , Vienna, Austria, February 23-25, 2010 Scandinavian Developer Conference 2010 , Göteborg, Sweden, March 16-17, 2010 JUG Hamburg , Hamburg, Germany, October 13, 2010 Java Developer Conference 2010 , Krakow, Poland, October 7-8, 2010 JUG Augsburg , Augsburg, Germany, December 9, 2010 JavaZone 2011 , Oslo, Norway, September 7-8, 2011