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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>KeyedValues (JFreeChart Class Library (version 0.9.20))</TITLE><META NAME="keywords" CONTENT="org.jfree.data.KeyedValues interface"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ parent.document.title="KeyedValues (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" 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VALIGN="top" ROWSPAN=3><EM></EM></TD></TR><TR><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../org/jfree/data/KeyedValueDataset.html" title="interface in org.jfree.data"><B>PREV CLASS</B></A> <A HREF="../../../org/jfree/data/KeyedValues2D.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="KeyedValues.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 KeyedValues</H2><DL><DT><B>All Superinterfaces:</B> <DD><A HREF="../../../org/jfree/data/Values.html" title="interface in org.jfree.data">Values</A></DD></DL><DL><DT><B>All Known Subinterfaces:</B> <DD><A HREF="../../../org/jfree/data/KeyedValuesDataset.html" title="interface in org.jfree.data">KeyedValuesDataset</A>, <A HREF="../../../org/jfree/data/PieDataset.html" title="interface in org.jfree.data">PieDataset</A></DD></DL><DL><DT><B>All Known Implementing Classes:</B> <DD><A HREF="../../../org/jfree/data/CategoryToPieDataset.html" title="class in org.jfree.data">CategoryToPieDataset</A>, <A HREF="../../../org/jfree/data/DefaultKeyedValues.html" title="class in org.jfree.data">DefaultKeyedValues</A>, <A HREF="../../../org/jfree/data/DefaultKeyedValuesDataset.html" title="class in org.jfree.data">DefaultKeyedValuesDataset</A>, <A HREF="../../../org/jfree/data/DefaultPieDataset.html" title="class in org.jfree.data">DefaultPieDataset</A></DD></DL><HR><DL><DT>public interface <B>KeyedValues</B><DT>extends <A HREF="../../../org/jfree/data/Values.html" title="interface in org.jfree.data">Values</A></DL><P>A collection of values where each value is associated with a key.<P><P><DL><DT><B>See Also:</B><DD><A HREF="../../../org/jfree/data/Values.html" title="interface in org.jfree.data"><CODE>Values</CODE></A>, <A HREF="../../../org/jfree/data/DefaultKeyedValues.html" title="class in org.jfree.data"><CODE>DefaultKeyedValues</CODE></A></DL><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/KeyedValues.html#getIndex(java.lang.Comparable)">getIndex</A></B>(java.lang.Comparable key)</CODE><BR> Returns the index for a given key.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> java.lang.Comparable</CODE></FONT></TD><TD><CODE><B><A HREF="../../../org/jfree/data/KeyedValues.html#getKey(int)">getKey</A></B>(int index)</CODE><BR> Returns the key associated with an item (value).</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> java.util.List</CODE></FONT></TD><TD><CODE><B><A HREF="../../../org/jfree/data/KeyedValues.html#getKeys()">getKeys</A></B>()</CODE><BR> Returns the keys for the values in the collection.</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/KeyedValues.html#getValue(java.lang.Comparable)">getValue</A></B>(java.lang.Comparable key)</CODE><BR> Returns the value (possibly <code>null</code>) for a given key.</TD></TR></TABLE> <A NAME="methods_inherited_from_class_org.jfree.data.Values"><!-- --></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/Values.html" title="interface in org.jfree.data">Values</A></B></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><A HREF="../../../org/jfree/data/Values.html#getItemCount()">getItemCount</A>, <A HREF="../../../org/jfree/data/Values.html#getValue(int)">getValue</A></CODE></TD></TR></TABLE> <P><!-- ============ FIELD DETAIL =========== --><!-- ========= CONSTRUCTOR DETAIL ======== --><!-- ============ METHOD DETAIL ========== --><A NAME="method_detail"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=1><FONT SIZE="+2"><B>Method Detail</B></FONT></TD></TR></TABLE><A NAME="getKey(int)"><!-- --></A><H3>getKey</H3><PRE>public java.lang.Comparable <B>getKey</B>(int index)</PRE><DL><DD>Returns the key associated with an item (value).<P><DD><DL></DL></DD><DD><DL><DT><B>Parameters:</B><DD><CODE>index</CODE> - the item index (zero-based).<DT><B>Returns:</B><DD>the key.</DL></DD></DL><HR><A NAME="getIndex(java.lang.Comparable)"><!-- --></A><H3>getIndex</H3><PRE>public int <B>getIndex</B>(java.lang.Comparable key)</PRE><DL><DD>Returns the index for a given key.<P><DD><DL></DL></DD><DD><DL><DT><B>Parameters:</B><DD><CODE>key</CODE> - the key.<DT><B>Returns:</B><DD>the index (-1 indicates that the key is not in the collection).</DL></DD></DL><HR><A NAME="getKeys()"><!-- --></A><H3>getKeys</H3><PRE>public java.util.List <B>getKeys</B>()</PRE><DL><DD>Returns the keys for the values in the collection. Note that you can access the values in this collection by key or by index. For this reason, the key order is important - this method should return the keys in order.<P><DD><DL></DL></DD><DD><DL><DT><B>Returns:</B><DD>The keys (never <code>null</code>).</DL></DD></DL><HR><A NAME="getValue(java.lang.Comparable)"><!-- --></A><H3>getValue</H3><PRE>public java.lang.Number <B>getValue</B>(java.lang.Comparable key)</PRE><DL><DD>Returns the value (possibly <code>null</code>) for a given key. <P> If the key is not recognised, the method should return <code>null</code>.<P><DD><DL></DL></DD><DD><DL><DT><B>Parameters:</B><DD><CODE>key</CODE> - the key.<DT><B>Returns:</B><DD>the value.</DL></DD></DL><!-- ========= END OF CLASS DATA ========= --><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=3 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="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-summary.html"><FONT CLASS="NavBarFont1"><B>Package</B></FONT></A> </TD> <TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> <FONT CLASS="NavBarFont1Rev"><B>Class</B></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/data/KeyedValueDataset.html" title="interface in org.jfree.data"><B>PREV CLASS</B></A> <A HREF="../../../org/jfree/data/KeyedValues2D.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="KeyedValues.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_bottom"></A><!-- ======== END OF BOTTOM NAVBAR ======= --><HR></BODY></HTML>⌨️ 快捷键说明
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