defaultxydataset.html

jfreechart1。0。2的api。

<A NAME="getX(int, int)"><!-- --></A><H3>
getX</H3>
<PRE>
public java.lang.Number <A HREF="../../../../src-html/org/jfree/data/xy/DefaultXYDataset.html#line.190"><B>getX</B></A>(int&nbsp;series,
                             int&nbsp;item)</PRE>
<DL>
<DD>Returns the x-value for an item within a series.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/jfree/data/xy/XYDataset.html#getX(int, int)">getX</A></CODE> in interface <CODE><A HREF="../../../../org/jfree/data/xy/XYDataset.html" title="interface in org.jfree.data.xy">XYDataset</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>series</CODE> - the series index (in the range <code>0</code> to 
     <code>getSeriesCount() - 1</code>).<DD><CODE>item</CODE> - the item index (in the range <code>0</code> to 
     <code>getItemCount(series)</code>).
<DT><B>Returns:</B><DD>The x-value.
<DT><B>Throws:</B>
<DD><CODE>ArrayIndexOutOfBounds</CODE> - if <code>series</code> is not within the
     specified range.
<DD><CODE>ArrayIndexOutOfBounds</CODE> - if <code>item</code> is not within the 
     specified range.<DT><B>See Also:</B><DD><A HREF="../../../../org/jfree/data/xy/DefaultXYDataset.html#getXValue(int, int)"><CODE>getXValue(int, int)</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="getYValue(int, int)"><!-- --></A><H3>
getYValue</H3>
<PRE>
public double <A HREF="../../../../src-html/org/jfree/data/xy/DefaultXYDataset.html#line.211"><B>getYValue</B></A>(int&nbsp;series,
                        int&nbsp;item)</PRE>
<DL>
<DD>Returns the y-value for an item within a series.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/jfree/data/xy/XYDataset.html#getYValue(int, int)">getYValue</A></CODE> in interface <CODE><A HREF="../../../../org/jfree/data/xy/XYDataset.html" title="interface in org.jfree.data.xy">XYDataset</A></CODE><DT><B>Overrides:</B><DD><CODE><A HREF="../../../../org/jfree/data/xy/AbstractXYDataset.html#getYValue(int, int)">getYValue</A></CODE> in class <CODE><A HREF="../../../../org/jfree/data/xy/AbstractXYDataset.html" title="class in org.jfree.data.xy">AbstractXYDataset</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>series</CODE> - the series index (in the range <code>0</code> to 
     <code>getSeriesCount() - 1</code>).<DD><CODE>item</CODE> - the item index (in the range <code>0</code> to 
     <code>getItemCount(series)</code>).
<DT><B>Returns:</B><DD>The y-value.
<DT><B>Throws:</B>
<DD><CODE>ArrayIndexOutOfBounds</CODE> - if <code>series</code> is not within the
     specified range.
<DD><CODE>ArrayIndexOutOfBounds</CODE> - if <code>item</code> is not within the 
     specified range.<DT><B>See Also:</B><DD><A HREF="../../../../org/jfree/data/xy/DefaultXYDataset.html#getY(int, int)"><CODE>getY(int, int)</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="getY(int, int)"><!-- --></A><H3>
getY</H3>
<PRE>
public java.lang.Number <A HREF="../../../../src-html/org/jfree/data/xy/DefaultXYDataset.html#line.233"><B>getY</B></A>(int&nbsp;series,
                             int&nbsp;item)</PRE>
<DL>
<DD>Returns the y-value for an item within a series.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/jfree/data/xy/XYDataset.html#getY(int, int)">getY</A></CODE> in interface <CODE><A HREF="../../../../org/jfree/data/xy/XYDataset.html" title="interface in org.jfree.data.xy">XYDataset</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>series</CODE> - the series index (in the range <code>0</code> to 
     <code>getSeriesCount() - 1</code>).<DD><CODE>item</CODE> - the item index (in the range <code>0</code> to 
     <code>getItemCount(series)</code>).
<DT><B>Returns:</B><DD>The y-value.
<DT><B>Throws:</B>
<DD><CODE>ArrayIndexOutOfBounds</CODE> - if <code>series</code> is not within the
     specified range.
<DD><CODE>ArrayIndexOutOfBounds</CODE> - if <code>item</code> is not within the 
     specified range.<DT><B>See Also:</B><DD><A HREF="../../../../org/jfree/data/xy/DefaultXYDataset.html#getX(int, int)"><CODE>getX(int, int)</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="addSeries(java.lang.Comparable, double[][])"><!-- --></A><H3>
addSeries</H3>
<PRE>
public void <A HREF="../../../../src-html/org/jfree/data/xy/DefaultXYDataset.html#line.247"><B>addSeries</B></A>(java.lang.Comparable&nbsp;seriesKey,
                      double[][]&nbsp;data)</PRE>
<DL>
<DD>Adds a series or if a series with the same key already exists replaces
 the data for that series, then sends a <A HREF="../../../../org/jfree/data/general/DatasetChangeEvent.html" title="class in org.jfree.data.general"><CODE>DatasetChangeEvent</CODE></A> to 
 all registered listeners.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>seriesKey</CODE> - the series key (<code>null</code> not permitted).<DD><CODE>data</CODE> - the data (must be an array with length 2, containing two 
     arrays of equal length, the first containing the x-values and the
     second containing the y-values).</DL>
</DD>
</DL>
<HR>

<A NAME="removeSeries(java.lang.Comparable)"><!-- --></A><H3>
removeSeries</H3>
<PRE>
public void <A HREF="../../../../src-html/org/jfree/data/xy/DefaultXYDataset.html#line.281"><B>removeSeries</B></A>(java.lang.Comparable&nbsp;seriesKey)</PRE>
<DL>
<DD>Removes a series from the dataset, then sends a 
 <A HREF="../../../../org/jfree/data/general/DatasetChangeEvent.html" title="class in org.jfree.data.general"><CODE>DatasetChangeEvent</CODE></A> to all registered listeners.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>seriesKey</CODE> - the series key (<code>null</code> not permitted).</DL>
</DD>
</DL>
<HR>

<A NAME="equals(java.lang.Object)"><!-- --></A><H3>
equals</H3>
<PRE>
public boolean <A HREF="../../../../src-html/org/jfree/data/xy/DefaultXYDataset.html#line.305"><B>equals</B></A>(java.lang.Object&nbsp;obj)</PRE>
<DL>
<DD>Tests this <code>DefaultXYDataset</code> instance for equality with an
 arbitrary object.  This method returns <code>true</code> if and only if:
 <ul>
 <li><code>obj</code> is not <code>null</code>;</li>
 <li><code>obj</code> is an instance of 
         <code>DefaultXYDataset</code>;</li>
 <li>both datasets have the same number of series, each containing 
         exactly the same values.</li>
 </ul>
<P>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE>equals</CODE> in class <CODE>java.lang.Object</CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>obj</CODE> - the object (<code>null</code> permitted).
<DT><B>Returns:</B><DD>A boolean.</DL>
</DD>
</DL>
<HR>

<A NAME="clone()"><!-- --></A><H3>
clone</H3>
<PRE>
public java.lang.Object <A HREF="../../../../src-html/org/jfree/data/xy/DefaultXYDataset.html#line.342"><B>clone</B></A>()
                       throws java.lang.CloneNotSupportedException</PRE>
<DL>
<DD>Creates an independent copy of this dataset.
<P>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../../org/jfree/data/general/AbstractDataset.html#clone()">clone</A></CODE> in class <CODE><A HREF="../../../../org/jfree/data/general/AbstractDataset.html" title="class in org.jfree.data.general">AbstractDataset</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>The cloned dataset.
<DT><B>Throws:</B>
<DD><CODE>java.lang.CloneNotSupportedException</CODE> - if there is a problem cloning the
     dataset (for instance, if a non-cloneable object is used for a
     series key).</DL>
</DD>
</DL>
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