In This July Digital Issue:

Table of Contents

COVER STORY

• olap4j: Online Analytical Processing for Java
  By Luc Boudreau
The olap4j API offers online analytical processing of relational data with Java. Specifically, olap4j extends core classes of JDBC specifications 3 and 4 in order to bring online analytical processing data sources to the Java platform.


• Editorial
  By Andrew Binstock
Immutability makes data items ideal for sharing between threads


• Making the Move to Maven 3
  By Jason van Zyl
Maven 3 is a drop-in replacement for Maven 2 and fully backwards compatible. So aside from addressing duplicate dependencies and plugin declarations, you don�t have to make any changes to your Project Object Models (POM) file.


• From the Vault: The Rete Matching Algorithm
  By Bruce Schneier
String comparison algorithms are plentiful in computer science. You have Boyer-Moore, Knuth-Morris-Pratt, Rabin-Karp, and even the old-fashioned manual comparisons. Expert systems also require extensive pattern matching during their execution, but it is a special case of pattern matching. The Rete matching algorithm was invented to speed up that pattern-matching process.


• Letters
  By you
Readers share their views on small classes and language tutorials.


• Links
  
Snapshots of the most interesting articles on drdobbs.com, including a new series on creating music components with Java and a fast, high-quality parallel random number generator.

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