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<title>Status File for Jakarta Commons "Collections" Package</title>
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<h1>The Jakarta Commons <em>Collections</em> Package</h1>
$Id: STATUS.html,v 1.8 2002/02/13 20:21:05 morgand Exp $<br>
<a href="#Introduction">[Introduction]</a>
<a href="#Dependencies">[Dependencies]</a>
<a href="#Release Info">[Release Info]</a>
<a href="#Committers">[Committers]</a>
<a href="#Action Items">[Action Items]</a>
<br><br>
</div>
<a name="Introduction"></a>
<h3>1. INTRODUCTION</h3>
<p>The <em>Collections</em> package contains a set of Java classes that
extend or augment the Java Collections Framework.
The following classes are included:</p>
<ul>
<li><strong>ArrayEnumeration</strong> - a java.util.Enumeration wrapper for arrays.</li>
<li><strong>ArrayIterator</strong> - a java.util.Iterator wrapper for arrays.</li>
<li><strong>ArrayStack</strong> - An implementation of the java.util.Stack API
that is based on an ArrayList instead of a Vector, so it is not synchronized to
protect against multi-threaded access.</li>
<li><strong>BeanMap</strong> - An implementation of the java.util.Map API
that is based on a JavaBean using introspection. The property names are the
keys of the map and the property values are the values of the map.</li>
<li><strong>CollectionUtils</strong> - a variety of helper methods
for working with collections.</li>
<li><strong>CursorableLinkedList</strong> - an implementation of the java.util.List
interface supporting a java.util.ListIterator that allows concurrent
modifications to the underlying list.</li>
<li><strong>ExtendedProperties</strong> - extends normal Java properties by adding
the possibility to use the same key many times, concatenating the value strings
instead of overwriting them.</li>
<li><strong>FastArrayList</strong> - a custom implementation of java.util.ArrayList
designed to operate in a multithreaded environment where the large majority of
method calls are read-only, instead of structural changes.</li>
<li><strong>FastHashMap</strong> - a custom implementation of java.util.HashMap
designed to operate in a multithreaded environment where the large majority of
method calls are read-only, instead of structural changes.</li>
<li><strong>FastTreeMap</strong> - a custom implementation of java.util.TreeMap
designed to operate in a multithreaded environment where the large majority of
method calls are read-only, instead of structural changes.</li>
<li><strong>ListUtils</strong> - miscelaneous utilities to manipulate Lists.</li>
<li><strong>PriorityQueue</strong> - a PriorityQueue interface, with
<strong>BinaryHeap</strong> and <strong>SynchronizedPriorityQueue</strong>
implementations.</li>
</ul>
<a name="Dependencies"></a>
<h3>2. DEPENDENCIES</h3>
<p>The <em>Collections</em> package is dependent upon the following external
components for development and use:</p>
<ul>
<li><a href="http://java.sun.com/j2se">Java Development Kit</a>
(Version 1.2 or later)</li>
<li><a href="http://www.junit.org">JUnit Testing Framework</a>
(Version 3.7 or later) - for unit tests only, not required
for deployment</li>
</ul>
<a name="Release Info"></a>
<h3>3. RELEASE INFO</h3>
<p>Current Release:
<a href="http://jakarta.apache.org/builds/jakarta-commons/release/commons-collections/v1.0">Version 1.0</a>
<p>Planned Next Release: TBD</p>
<a name="Committers"></a>
<h3>4. COMMITTERS</h3>
<p>The following individuals are the primary developers and maintainers of this
component. Developers who plan to use <em>Collections</em> in their own
projects are encouraged to collaborate on the future development of this
component to ensure that it continues to meet a variety of needs.</p>
<ul>
<li><a href="mailto:morgand@apache.org">Morgan Delagrange</a></li>
<li><a href="mailto:donaldp@apache.org">Peter Donald</a></li>
<li><a href="mailto:geirm@apache.org">Geir Magnusson Jr.</a></li>
<li><a href="mailto:craigmcc@apache.org">Craig McClanahan</a></li>
<li><a href="mailto:jstrachan@apache.org">James Strachan</a></li>
<li><a href="mailto:rwaldhoff@apache.org">Rodney Waldhoff</a></li>
<li><a href="mailto:jvanzyl@apache.org">Jason van Zyl</a></li>
</ul>
<a name="Action Items"></a>
<h3>5. ACTION ITEMS</h3>
<p>Want to help? Here's some "to do" items the team has identified.</p>
<table border="1">
<tr>
<th width="80%">Action Item</th>
<th width="20%">Volunteer</th>
</tr>
<tr>
<td><strong>Additional Contributions</strong>. Other collection
or collection-related classes.</td>
<td align="center">&nbsp;</td>
</tr>
<tr>
<td><strong>Generalized Unit Tests</strong>. Create a generic
set of Unit Tests that test the standard contracts of the basic
Java Collections interfaces (List, Set, Map, etc.)</td>
<td align="center">&nbsp;</td>
</tr>
<tr>
<td><strong>Additional Documentation</strong>. Create simple
User's Guide, examples, or other documentation for this package.</td>
<td align="center">&nbsp;</td>
</tr>
</table>
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