These files are containing the class string utils

Tomcat Connectors and HTTP parser

Spring Core

XML/XHTML/HTML5 template engine for Java

The PojoBuilder Generator is a Java 6 compliant annotation processor that generates a fluent builder class for POJOs (Plain Old Java Object)

JPPF, the open source grid computing solution

the hasor core project.

Massive On-line Analysis is an environment for massive data mining. MOA provides a framework for data stream mining and includes tools for evaluation and a collection of machine learning algorithms. Related to the WEKA project, also written in Java, while scaling to more demanding problems.

the hasor core project.