I am a Java solution architect/application designer/Java Champion. My first love is Java concurrency. My open source project Java Concurrent Animated is a popular self-executing jar. Please download it at http://sourceforge.net/projects/javaconcurrenta

Also, check out the Java Concurrency Specialist Course by Dr. Heinz Kabutz, and endorsed by best selling author Brian Goetz http://www.javaspecialists.eu/courses/concurrency.jsp