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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><!--NewPage--><HTML><HEAD><!-- Generated by javadoc (build 1.5.0_07) on Fri Aug 25 15:15:45 BST 2006 --><TITLE>org.jfree.data (JFreeChart Class Library (version 1.0.2))</TITLE><META NAME="keywords" CONTENT="org.jfree.data package"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ parent.document.title="org.jfree.data (JFreeChart Class Library (version 1.0.2))";}</SCRIPT><NOSCRIPT></NOSCRIPT></HEAD><BODY BGCOLOR="white" onload="windowTitle();"><!-- ========= START OF TOP NAVBAR ======= --><A NAME="navbar_top"><!-- --></A><A HREF="#skip-navbar_top" title="Skip navigation links"></A><TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0" SUMMARY=""><TR><TD COLSPAN=2 BGCOLOR="#EEEEFF" CLASS="NavBarCell1"><A NAME="navbar_top_firstrow"><!-- --></A><TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3" SUMMARY=""> <TR ALIGN="center" VALIGN="top"> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../overview-summary.html"><FONT CLASS="NavBarFont1"><B>Overview</B></FONT></A> </TD> <TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> <FONT CLASS="NavBarFont1Rev"><B>Package</B></FONT> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <FONT CLASS="NavBarFont1">Class</FONT> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-use.html"><FONT CLASS="NavBarFont1"><B>Use</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-tree.html"><FONT CLASS="NavBarFont1"><B>Tree</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../deprecated-list.html"><FONT CLASS="NavBarFont1"><B>Deprecated</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../index-files/index-1.html"><FONT CLASS="NavBarFont1"><B>Index</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../help-doc.html"><FONT CLASS="NavBarFont1"><B>Help</B></FONT></A> </TD> </TR></TABLE></TD><TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM></EM></TD></TR><TR><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../org/jfree/chart/urls/package-summary.html"><B>PREV PACKAGE</B></A> <A HREF="../../../org/jfree/data/category/package-summary.html"><B>NEXT PACKAGE</B></A></FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../index.html?org/jfree/data/package-summary.html" target="_top"><B>FRAMES</B></A> <A HREF="package-summary.html" target="_top"><B>NO FRAMES</B></A> <SCRIPT type="text/javascript"> <!-- if(window==top) { document.writeln('<A HREF="../../../allclasses-noframe.html"><B>All Classes</B></A>'); } //--></SCRIPT><NOSCRIPT> <A HREF="../../../allclasses-noframe.html"><B>All Classes</B></A></NOSCRIPT></FONT></TD></TR></TABLE><A NAME="skip-navbar_top"></A><!-- ========= END OF TOP NAVBAR ========= --><HR><H2>Package org.jfree.data</H2>The base package for classes that represent various types of data.<P><B>See:</B><BR> <A HREF="#package_description"><B>Description</B></A><P><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"><B>Interface Summary</B></FONT></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../org/jfree/data/DomainInfo.html" title="interface in org.jfree.data">DomainInfo</A></B></TD><TD>An interface (optional) that can be implemented by a dataset to assist in determining the minimum and maximum values.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../org/jfree/data/KeyedValue.html" title="interface in org.jfree.data">KeyedValue</A></B></TD><TD>A (key, value) pair.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../org/jfree/data/KeyedValues.html" title="interface in org.jfree.data">KeyedValues</A></B></TD><TD>An ordered list of (key, value) items where the keys are unique and non-<code>null</code>.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../org/jfree/data/KeyedValues2D.html" title="interface in org.jfree.data">KeyedValues2D</A></B></TD><TD>An extension of the <A HREF="../../../org/jfree/data/Values2D.html" title="interface in org.jfree.data"><CODE>Values2D</CODE></A> interface where a unique key is associated with the row and column indices.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../org/jfree/data/RangeInfo.html" title="interface in org.jfree.data">RangeInfo</A></B></TD><TD>An interface (optional) that can be implemented by a dataset to assist in determining the minimum and maximum values.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../org/jfree/data/Value.html" title="interface in org.jfree.data">Value</A></B></TD><TD>A general purpose interface for accessing a value.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../org/jfree/data/Values.html" title="interface in org.jfree.data">Values</A></B></TD><TD>An interface through which (single-dimension) data values can be accessed.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../org/jfree/data/Values2D.html" title="interface in org.jfree.data">Values2D</A></B></TD><TD>A general purpose interface that can be used to access a table of values.</TD></TR></TABLE> <P><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"><B>Class Summary</B></FONT></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../org/jfree/data/DataUtilities.html" title="class in org.jfree.data">DataUtilities</A></B></TD><TD>Utility methods for use with some of the data classes (but not the datasets, see <A HREF="../../../org/jfree/data/general/DatasetUtilities.html" title="class in org.jfree.data.general"><CODE>DatasetUtilities</CODE></A>).</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../org/jfree/data/DefaultKeyedValue.html" title="class in org.jfree.data">DefaultKeyedValue</A></B></TD><TD>A (key, value) pair.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../org/jfree/data/DefaultKeyedValues.html" title="class in org.jfree.data">DefaultKeyedValues</A></B></TD><TD>An ordered list of (key, value) items.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../org/jfree/data/DefaultKeyedValues2D.html" title="class in org.jfree.data">DefaultKeyedValues2D</A></B></TD><TD>A data structure that stores zero, one or many values, where each value is associated with two keys (a 'row' key and a 'column' key).</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../org/jfree/data/DomainOrder.html" title="class in org.jfree.data">DomainOrder</A></B></TD><TD>Used to indicate sorting order if any (ascending, descending or none).</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../org/jfree/data/KeyedObject.html" title="class in org.jfree.data">KeyedObject</A></B></TD><TD>A (key, object) pair.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../org/jfree/data/KeyedObjects.html" title="class in org.jfree.data">KeyedObjects</A></B></TD><TD>A collection of (key, object) pairs.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../org/jfree/data/KeyedObjects2D.html" title="class in org.jfree.data">KeyedObjects2D</A></B></TD><TD>A data structure that stores zero, one or many objects, where each object is associated with two keys (a 'row' key and a 'column' key).</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../org/jfree/data/KeyedValueComparator.html" title="class in org.jfree.data">KeyedValueComparator</A></B></TD><TD>A utility class that can compare and order two <A HREF="../../../org/jfree/data/KeyedValue.html" title="interface in org.jfree.data"><CODE>KeyedValue</CODE></A> instances and sort them into ascending or descending order by key or by value.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../org/jfree/data/KeyedValueComparatorType.html" title="class in org.jfree.data">KeyedValueComparatorType</A></B></TD><TD>Used to indicate the type of a <A HREF="../../../org/jfree/data/KeyedValueComparator.html" title="class in org.jfree.data"><CODE>KeyedValueComparator</CODE></A> : 'by key' or 'by value'.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../org/jfree/data/KeyToGroupMap.html" title="class in org.jfree.data">KeyToGroupMap</A></B></TD><TD>A class that maps keys (instances of <code>Comparable</code>) to groups.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../org/jfree/data/Range.html" title="class in org.jfree.data">Range</A></B></TD><TD>Represents an immutable range of values.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../org/jfree/data/RangeType.html" title="class in org.jfree.data">RangeType</A></B></TD><TD>Used to indicate the type of range to display on an axis (full, positive or negative).</TD></TR></TABLE> <P><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"><B>Exception Summary</B></FONT></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../org/jfree/data/UnknownKeyException.html" title="class in org.jfree.data">UnknownKeyException</A></B></TD><TD>An exception that indicates an unknown key value.</TD></TR></TABLE> <P><A NAME="package_description"><!-- --></A><H2>Package org.jfree.data Description</H2><P>The base package for classes that represent various types of data.<P><P><DL></DL><HR><!-- ======= START OF BOTTOM NAVBAR ====== --><A NAME="navbar_bottom"><!-- --></A><A HREF="#skip-navbar_bottom" title="Skip navigation links"></A><TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0" SUMMARY=""><TR><TD COLSPAN=2 BGCOLOR="#EEEEFF" CLASS="NavBarCell1"><A NAME="navbar_bottom_firstrow"><!-- --></A><TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3" SUMMARY=""> <TR ALIGN="center" VALIGN="top"> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../overview-summary.html"><FONT CLASS="NavBarFont1"><B>Overview</B></FONT></A> </TD> <TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> <FONT CLASS="NavBarFont1Rev"><B>Package</B></FONT> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> 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