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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 16:42:22 BST 2004 --><TITLE>XYDataset (JFreeChart Class Library (version 0.9.20))</TITLE><META NAME="keywords" CONTENT="org.jfree.data.XYDataset interface"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ parent.document.title="XYDataset (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 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ROWSPAN=3><EM></EM></TD></TR><TR><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../org/jfree/data/XisSymbolic.html" title="interface in org.jfree.data"><B>PREV CLASS</B></A> <A HREF="../../../org/jfree/data/XYZDataset.html" title="interface in org.jfree.data"><B>NEXT CLASS</B></A></FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../index.html" target="_top"><B>FRAMES</B></A> <A HREF="XYDataset.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><TR><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> SUMMARY: NESTED | FIELD | CONSTR | <A HREF="#method_summary">METHOD</A></FONT></TD><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">DETAIL: FIELD | CONSTR | <A HREF="#method_detail">METHOD</A></FONT></TD></TR></TABLE><A NAME="skip-navbar_top"></A><!-- ========= END OF TOP NAVBAR ========= --><HR><!-- ======== START OF CLASS DATA ======== --><H2><FONT SIZE="-1">org.jfree.data</FONT><BR>Interface XYDataset</H2><DL><DT><B>All Superinterfaces:</B> <DD><A HREF="../../../org/jfree/data/Dataset.html" title="interface in org.jfree.data">Dataset</A>, <A HREF="../../../org/jfree/data/SeriesDataset.html" title="interface in org.jfree.data">SeriesDataset</A></DD></DL><DL><DT><B>All Known Subinterfaces:</B> <DD><A HREF="../../../org/jfree/data/statistics/BoxAndWhiskerXYDataset.html" title="interface in org.jfree.data.statistics">BoxAndWhiskerXYDataset</A>, <A HREF="../../../org/jfree/data/ContourDataset.html" title="interface in org.jfree.data">ContourDataset</A>, <A HREF="../../../org/jfree/data/HighLowDataset.html" title="interface in org.jfree.data">HighLowDataset</A>, <A HREF="../../../org/jfree/data/IntervalXYDataset.html" title="interface in org.jfree.data">IntervalXYDataset</A>, <A HREF="../../../org/jfree/data/IntervalXYZDataset.html" title="interface in org.jfree.data">IntervalXYZDataset</A>, <A HREF="../../../org/jfree/data/SignalsDataset.html" title="interface in org.jfree.data">SignalsDataset</A>, <A HREF="../../../org/jfree/data/TableXYDataset.html" title="interface in org.jfree.data">TableXYDataset</A>, <A HREF="../../../org/jfree/data/WindDataset.html" title="interface in org.jfree.data">WindDataset</A>, <A HREF="../../../org/jfree/data/XYZDataset.html" title="interface in org.jfree.data">XYZDataset</A></DD></DL><DL><DT><B>All Known Implementing Classes:</B> <DD><A HREF="../../../org/jfree/data/AbstractIntervalXYDataset.html" title="class in org.jfree.data">AbstractIntervalXYDataset</A>, <A HREF="../../../org/jfree/data/AbstractXYDataset.html" title="class in org.jfree.data">AbstractXYDataset</A>, <A HREF="../../../org/jfree/data/AbstractXYZDataset.html" title="class in org.jfree.data">AbstractXYZDataset</A>, <A HREF="../../../org/jfree/data/CategoryTableXYDataset.html" title="class in org.jfree.data">CategoryTableXYDataset</A>, <A HREF="../../../org/jfree/data/CombinedDataset.html" title="class in org.jfree.data">CombinedDataset</A>, <A HREF="../../../org/jfree/chart/renderer/CyclicXYItemRenderer.OverwriteDataSet.html" title="class in org.jfree.chart.renderer">CyclicXYItemRenderer.OverwriteDataSet</A>, <A HREF="../../../org/jfree/data/statistics/DefaultBoxAndWhiskerXYDataset.html" title="class in org.jfree.data.statistics">DefaultBoxAndWhiskerXYDataset</A>, <A HREF="../../../org/jfree/data/DefaultContourDataset.html" title="class in org.jfree.data">DefaultContourDataset</A>, <A HREF="../../../org/jfree/data/DefaultHighLowDataset.html" title="class in org.jfree.data">DefaultHighLowDataset</A>, <A HREF="../../../org/jfree/data/DefaultTableXYDataset.html" title="class in org.jfree.data">DefaultTableXYDataset</A>, <A HREF="../../../org/jfree/data/DefaultWindDataset.html" title="class in org.jfree.data">DefaultWindDataset</A>, <A HREF="../../../org/jfree/data/time/DynamicTimeSeriesCollection.html" title="class in org.jfree.data.time">DynamicTimeSeriesCollection</A>, <A HREF="../../../org/jfree/data/statistics/HistogramDataset.html" title="class in org.jfree.data.statistics">HistogramDataset</A>, <A HREF="../../../org/jfree/data/JDBCXYDataset.html" title="class in org.jfree.data">JDBCXYDataset</A>, <A HREF="../../../org/jfree/data/MatrixSeriesCollection.html" title="class in org.jfree.data">MatrixSeriesCollection</A>, <A HREF="../../../org/jfree/data/OHLCDataset.html" title="class in org.jfree.data">OHLCDataset</A>, <A HREF="../../../org/jfree/data/SubSeriesDataset.html" title="class in org.jfree.data">SubSeriesDataset</A>, <A HREF="../../../org/jfree/data/time/TimePeriodValuesCollection.html" title="class in org.jfree.data.time">TimePeriodValuesCollection</A>, <A HREF="../../../org/jfree/data/time/TimeSeriesCollection.html" title="class in org.jfree.data.time">TimeSeriesCollection</A>, <A HREF="../../../org/jfree/data/time/TimeTableXYDataset.html" title="class in org.jfree.data.time">TimeTableXYDataset</A>, <A HREF="../../../org/jfree/data/XYBarDataset.html" title="class in org.jfree.data">XYBarDataset</A>, <A HREF="../../../org/jfree/data/XYSeriesCollection.html" title="class in org.jfree.data">XYSeriesCollection</A></DD></DL><HR><DL><DT>public interface <B>XYDataset</B><DT>extends <A HREF="../../../org/jfree/data/SeriesDataset.html" title="interface in org.jfree.data">SeriesDataset</A></DL><P>An interface through which data in the form of (x, y) items can be accessed.<P><P><HR><P><!-- ======== NESTED CLASS SUMMARY ======== --><!-- =========== FIELD SUMMARY =========== --><!-- ======== CONSTRUCTOR SUMMARY ======== --><!-- ========== METHOD SUMMARY =========== --><A NAME="method_summary"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=2><FONT SIZE="+2"><B>Method Summary</B></FONT></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> int</CODE></FONT></TD><TD><CODE><B><A HREF="../../../org/jfree/data/XYDataset.html#getItemCount(int)">getItemCount</A></B>(int series)</CODE><BR> Returns the number of items in a series.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> double</CODE></FONT></TD><TD><CODE><B><A HREF="../../../org/jfree/data/XYDataset.html#getX(int, int)">getX</A></B>(int series, int item)</CODE><BR> Returns the x-value (as a double primitive) for an item within a series.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> java.lang.Number</CODE></FONT></TD><TD><CODE><B><A HREF="../../../org/jfree/data/XYDataset.html#getXValue(int, int)">getXValue</A></B>(int series, int item)</CODE><BR> Returns the x-value for an item within a series.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> double</CODE></FONT></TD><TD><CODE><B><A HREF="../../../org/jfree/data/XYDataset.html#getY(int, int)">getY</A></B>(int series, int item)</CODE><BR> Returns the y-value (as a double primitive) for an item within a series.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> java.lang.Number</CODE></FONT></TD><TD><CODE><B><A HREF="../../../org/jfree/data/XYDataset.html#getYValue(int, int)">getYValue</A></B>(int series, int item)</CODE><BR> Returns the y-value for an item within a series.</TD></TR></TABLE> <A NAME="methods_inherited_from_class_org.jfree.data.SeriesDataset"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"><TD><B>Methods inherited from interface org.jfree.data.<A HREF="../../../org/jfree/data/SeriesDataset.html" title="interface in org.jfree.data">SeriesDataset</A></B></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><A HREF="../../../org/jfree/data/SeriesDataset.html#getSeriesCount()">getSeriesCount</A>, <A HREF="../../../org/jfree/data/SeriesDataset.html#getSeriesName(int)">getSeriesName</A></CODE></TD></TR></TABLE> <A NAME="methods_inherited_from_class_org.jfree.data.Dataset"><!-- --></A>⌨️ 快捷键说明
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