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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 1.4.2_03) on Mon Jun 07 16:42:21 BST 2004 --><TITLE>org.jfree.data (JFreeChart Class Library (version 0.9.20))</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 0.9.20))";}</SCRIPT></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=3 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-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-all.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/gantt/package-summary.html"><B>NEXT PACKAGE</B></A></FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../index.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>Data interfaces and classes.<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"><TD COLSPAN=2><FONT SIZE="+2"><B>Interface Summary</B></FONT></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../org/jfree/data/CategoryDataset.html" title="interface in org.jfree.data">CategoryDataset</A></B></TD><TD>The interface for a dataset with one or more series, and values associated with categories.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../org/jfree/data/CombinationDataset.html" title="interface in org.jfree.data">CombinationDataset</A></B></TD><TD>Interface that describes the new methods that any combined dataset needs to implement.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../org/jfree/data/ContourDataset.html" title="interface in org.jfree.data">ContourDataset</A></B></TD><TD>The interface through which JFreeChart obtains data in the form of (x, y, z) items - used for XY and XYZ plots.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../org/jfree/data/Dataset.html" title="interface in org.jfree.data">Dataset</A></B></TD><TD>The base interface for data sets.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../org/jfree/data/DatasetChangeListener.html" title="interface in org.jfree.data">DatasetChangeListener</A></B></TD><TD>The interface that must be supported by classes that wish to receive notification of changes to a dataset.</TD></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/Function2D.html" title="interface in org.jfree.data">Function2D</A></B></TD><TD>A function of the form y = f(x).</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../org/jfree/data/HighLowDataset.html" title="interface in org.jfree.data">HighLowDataset</A></B></TD><TD>An interface that defines data in the form of (x, high, low, open, close) tuples.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../org/jfree/data/IntervalCategoryDataset.html" title="interface in org.jfree.data">IntervalCategoryDataset</A></B></TD><TD>A category dataset that defines a value range for each series/category combination.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../org/jfree/data/IntervalXYDataset.html" title="interface in org.jfree.data">IntervalXYDataset</A></B></TD><TD>An extension of the <A HREF="../../../org/jfree/data/XYDataset.html" title="interface in org.jfree.data"><CODE>XYDataset</CODE></A> interface that allows a range of data to be defined for the X values, the Y values, or both the X and Y values.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../org/jfree/data/IntervalXYZDataset.html" title="interface in org.jfree.data">IntervalXYZDataset</A></B></TD><TD>An extension of the <A HREF="../../../org/jfree/data/XYZDataset.html" title="interface in org.jfree.data"><CODE>XYZDataset</CODE></A> interface that allows a range of data to be defined for any of the X values, the Y values, and the Z 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/KeyedValueDataset.html" title="interface in org.jfree.data">KeyedValueDataset</A></B></TD><TD>A dataset containing a single value.</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>A collection of values where each value is associated with a key.</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/KeyedValues2DDataset.html" title="interface in org.jfree.data">KeyedValues2DDataset</A></B></TD><TD>A dataset containing (key, value) data items.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../org/jfree/data/KeyedValuesDataset.html" title="interface in org.jfree.data">KeyedValuesDataset</A></B></TD><TD>A dataset containing (key, value) data items.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../org/jfree/data/MeterDataset.html" title="interface in org.jfree.data">MeterDataset</A></B></TD><TD><B>Deprecated.</B> <I>Use ValueDataset instead, this interface mixes data and presentation items.</I></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../org/jfree/data/PieDataset.html" title="interface in org.jfree.data">PieDataset</A></B></TD><TD>A general purpose dataset where values are associated with keys.</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/SeriesChangeListener.html" title="interface in org.jfree.data">SeriesChangeListener</A></B></TD><TD>Methods for receiving notification of changes to a data series.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../org/jfree/data/SeriesDataset.html" title="interface in org.jfree.data">SeriesDataset</A></B></TD><TD>The interface for a dataset consisting of one or many series of data.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../org/jfree/data/SignalsDataset.html" title="interface in org.jfree.data">SignalsDataset</A></B></TD><TD>An interface that adds signal information to an <A HREF="../../../org/jfree/data/XYDataset.html" title="interface in org.jfree.data"><CODE>XYDataset</CODE></A>.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../org/jfree/data/TableXYDataset.html" title="interface in org.jfree.data">TableXYDataset</A></B></TD><TD>A dataset containing one or more data series containing (x, y) data items, where all series in the dataset share the same set of x-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>⌨️ 快捷键说明
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