The following post by Jesse Davis starts things off by discussing the issues with multi-core programming and how the fork-join framework will aid in reaching a solution to this architecture now being imposed by the chip industry.
Followed is another post containing a more detailed discussion on the subject of the fork-join framework, based on an extensive article published over at IBM developerworks.
Read the complete post by Jesse Davis:
http://www.jdbc-connection.com/2008/04/programming-for-multi-core-performance.html
Read the accompanying post on the fork-join framework:
http://jaksa.wordpress.com/2008/04/08/concurrency-with-forkjoin-in-jdk-7/
Read IBM's developerworks article on the fork-join framework
http://www.ibm.com/developerworks/java/library/j-jtp11137.html