histogramdataset.html

jfreechart1。0。2的api。

<DD>Returns the number of data items for a series.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/jfree/data/xy/XYDataset.html#getItemCount(int)">getItemCount</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>).
<DT><B>Returns:</B><DD>The item count.
<DT><B>Throws:</B>
<DD><CODE>java.lang.IndexOutOfBoundsException</CODE> - if <code>series</code> is outside the
     specified range.</DL>
</DD>
</DL>
<HR>

<A NAME="getX(int, int)"><!-- --></A><H3>
getX</H3>
<PRE>
public java.lang.Number <A HREF="../../../../src-html/org/jfree/data/statistics/HistogramDataset.html#line.347"><B>getX</B></A>(int&nbsp;series,
                             int&nbsp;item)</PRE>
<DL>
<DD>Returns the X value for a bin.  This value won't be used for plotting 
 histograms, since the renderer will ignore it.  But other renderers can 
 use it (for example, you could use the dataset to create a line
 chart).
<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 (zero based).
<DT><B>Returns:</B><DD>The start value.
<DT><B>Throws:</B>
<DD><CODE>java.lang.IndexOutOfBoundsException</CODE> - if <code>series</code> is outside the
     specified range.</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/statistics/HistogramDataset.html#line.367"><B>getY</B></A>(int&nbsp;series,
                             int&nbsp;item)</PRE>
<DL>
<DD>Returns the y-value for a bin (calculated to take into account the 
 histogram type).
<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 (zero based).
<DT><B>Returns:</B><DD>The y-value.
<DT><B>Throws:</B>
<DD><CODE>java.lang.IndexOutOfBoundsException</CODE> - if <code>series</code> is outside the
     specified range.</DL>
</DD>
</DL>
<HR>

<A NAME="getStartX(int, int)"><!-- --></A><H3>
getStartX</H3>
<PRE>
public java.lang.Number <A HREF="../../../../src-html/org/jfree/data/statistics/HistogramDataset.html#line.399"><B>getStartX</B></A>(int&nbsp;series,
                                  int&nbsp;item)</PRE>
<DL>
<DD>Returns the start value for a bin.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/jfree/data/xy/IntervalXYDataset.html#getStartX(int, int)">getStartX</A></CODE> in interface <CODE><A HREF="../../../../org/jfree/data/xy/IntervalXYDataset.html" title="interface in org.jfree.data.xy">IntervalXYDataset</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 (zero based).
<DT><B>Returns:</B><DD>The start value.
<DT><B>Throws:</B>
<DD><CODE>java.lang.IndexOutOfBoundsException</CODE> - if <code>series</code> is outside the
     specified range.</DL>
</DD>
</DL>
<HR>

<A NAME="getEndX(int, int)"><!-- --></A><H3>
getEndX</H3>
<PRE>
public java.lang.Number <A HREF="../../../../src-html/org/jfree/data/statistics/HistogramDataset.html#line.417"><B>getEndX</B></A>(int&nbsp;series,
                                int&nbsp;item)</PRE>
<DL>
<DD>Returns the end value for a bin.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/jfree/data/xy/IntervalXYDataset.html#getEndX(int, int)">getEndX</A></CODE> in interface <CODE><A HREF="../../../../org/jfree/data/xy/IntervalXYDataset.html" title="interface in org.jfree.data.xy">IntervalXYDataset</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 (zero based).
<DT><B>Returns:</B><DD>The end value.
<DT><B>Throws:</B>
<DD><CODE>java.lang.IndexOutOfBoundsException</CODE> - if <code>series</code> is outside the
     specified range.</DL>
</DD>
</DL>
<HR>

<A NAME="getStartY(int, int)"><!-- --></A><H3>
getStartY</H3>
<PRE>
public java.lang.Number <A HREF="../../../../src-html/org/jfree/data/statistics/HistogramDataset.html#line.437"><B>getStartY</B></A>(int&nbsp;series,
                                  int&nbsp;item)</PRE>
<DL>
<DD>Returns the start y-value for a bin (which is the same as the y-value, 
 this method exists only to support the general form of the 
 <A HREF="../../../../org/jfree/data/xy/IntervalXYDataset.html" title="interface in org.jfree.data.xy"><CODE>IntervalXYDataset</CODE></A> interface).
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/jfree/data/xy/IntervalXYDataset.html#getStartY(int, int)">getStartY</A></CODE> in interface <CODE><A HREF="../../../../org/jfree/data/xy/IntervalXYDataset.html" title="interface in org.jfree.data.xy">IntervalXYDataset</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 (zero based).
<DT><B>Returns:</B><DD>The y-value.
<DT><B>Throws:</B>
<DD><CODE>java.lang.IndexOutOfBoundsException</CODE> - if <code>series</code> is outside the
     specified range.</DL>
</DD>
</DL>
<HR>

<A NAME="getEndY(int, int)"><!-- --></A><H3>
getEndY</H3>
<PRE>
public java.lang.Number <A HREF="../../../../src-html/org/jfree/data/statistics/HistogramDataset.html#line.455"><B>getEndY</B></A>(int&nbsp;series,
                                int&nbsp;item)</PRE>
<DL>
<DD>Returns the end y-value for a bin (which is the same as the y-value, 
 this method exists only to support the general form of the 
 <A HREF="../../../../org/jfree/data/xy/IntervalXYDataset.html" title="interface in org.jfree.data.xy"><CODE>IntervalXYDataset</CODE></A> interface).
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/jfree/data/xy/IntervalXYDataset.html#getEndY(int, int)">getEndY</A></CODE> in interface <CODE><A HREF="../../../../org/jfree/data/xy/IntervalXYDataset.html" title="interface in org.jfree.data.xy">IntervalXYDataset</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 (zero based).
<DT><B>Returns:</B><DD>The Y value.
<DT><B>Throws:</B>
<DD><CODE>java.lang.IndexOutOfBoundsException</CODE> - if <code>series</code> is outside the
     specified range.</DL>
</DD>
</DL>
<HR>

<A NAME="equals(java.lang.Object)"><!-- --></A><H3>
equals</H3>
<PRE>
public boolean <A HREF="../../../../src-html/org/jfree/data/statistics/HistogramDataset.html#line.466"><B>equals</B></A>(java.lang.Object&nbsp;obj)</PRE>
<DL>
<DD>Tests this dataset for equality with an arbitrary object.
<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 to test against (<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/statistics/HistogramDataset.html#line.490"><B>clone</B></A>()
                       throws java.lang.CloneNotSupportedException</PRE>
<DL>
<DD>Returns a clone of the dataset.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE>clone</CODE> in interface <CODE>org.jfree.util.PublicCloneable</CODE><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>A clone of the dataset.
<DT><B>Throws:</B>
<DD><CODE>java.lang.CloneNotSupportedException</CODE> - if the object cannot be cloned.</DL>
</DD>
</DL>
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