defaultcategorydataset.html

jfreechart1。0。2的api。

<PRE>
public void <A HREF="../../../../src-html/org/jfree/data/category/DefaultCategoryDataset.html#line.189"><B>addValue</B></A>(java.lang.Number&nbsp;value,
                     java.lang.Comparable&nbsp;rowKey,
                     java.lang.Comparable&nbsp;columnKey)</PRE>
<DL>
<DD>Adds a value to the table.  Performs the same function as setValue().
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>value</CODE> - the value.<DD><CODE>rowKey</CODE> - the row key.<DD><CODE>columnKey</CODE> - the column key.</DL>
</DD>
</DL>
<HR>

<A NAME="addValue(double, java.lang.Comparable, java.lang.Comparable)"><!-- --></A><H3>
addValue</H3>
<PRE>
public void <A HREF="../../../../src-html/org/jfree/data/category/DefaultCategoryDataset.html#line.202"><B>addValue</B></A>(double&nbsp;value,
                     java.lang.Comparable&nbsp;rowKey,
                     java.lang.Comparable&nbsp;columnKey)</PRE>
<DL>
<DD>Adds a value to the table.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>value</CODE> - the value.<DD><CODE>rowKey</CODE> - the row key.<DD><CODE>columnKey</CODE> - the column key.</DL>
</DD>
</DL>
<HR>

<A NAME="setValue(java.lang.Number, java.lang.Comparable, java.lang.Comparable)"><!-- --></A><H3>
setValue</H3>
<PRE>
public void <A HREF="../../../../src-html/org/jfree/data/category/DefaultCategoryDataset.html#line.215"><B>setValue</B></A>(java.lang.Number&nbsp;value,
                     java.lang.Comparable&nbsp;rowKey,
                     java.lang.Comparable&nbsp;columnKey)</PRE>
<DL>
<DD>Adds or updates a value in the table and 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>value</CODE> - the value (<code>null</code> permitted).<DD><CODE>rowKey</CODE> - the row key (<code>null</code> not permitted).<DD><CODE>columnKey</CODE> - the column key (<code>null</code> not permitted).</DL>
</DD>
</DL>
<HR>

<A NAME="setValue(double, java.lang.Comparable, java.lang.Comparable)"><!-- --></A><H3>
setValue</H3>
<PRE>
public void <A HREF="../../../../src-html/org/jfree/data/category/DefaultCategoryDataset.html#line.229"><B>setValue</B></A>(double&nbsp;value,
                     java.lang.Comparable&nbsp;rowKey,
                     java.lang.Comparable&nbsp;columnKey)</PRE>
<DL>
<DD>Adds or updates a value in the table and 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>value</CODE> - the value.<DD><CODE>rowKey</CODE> - the row key (<code>null</code> not permitted).<DD><CODE>columnKey</CODE> - the column key (<code>null</code> not permitted).</DL>
</DD>
</DL>
<HR>

<A NAME="incrementValue(double, java.lang.Comparable, java.lang.Comparable)"><!-- --></A><H3>
incrementValue</H3>
<PRE>
public void <A HREF="../../../../src-html/org/jfree/data/category/DefaultCategoryDataset.html#line.244"><B>incrementValue</B></A>(double&nbsp;value,
                           java.lang.Comparable&nbsp;rowKey,
                           java.lang.Comparable&nbsp;columnKey)</PRE>
<DL>
<DD>Adds the specified value to an existing value in the dataset (if the 
 existing value is <code>null</code>, it is treated as if it were 0.0).
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>value</CODE> - the value.<DD><CODE>rowKey</CODE> - the row key (<code>null</code> not permitted).<DD><CODE>columnKey</CODE> - the column key (<code>null</code> not permitted).
<DT><B>Throws:</B>
<DD><CODE><A HREF="../../../../org/jfree/data/UnknownKeyException.html" title="class in org.jfree.data">UnknownKeyException</A></CODE> - if either key is not defined in the dataset.</DL>
</DD>
</DL>
<HR>

<A NAME="removeValue(java.lang.Comparable, java.lang.Comparable)"><!-- --></A><H3>
removeValue</H3>
<PRE>
public void <A HREF="../../../../src-html/org/jfree/data/category/DefaultCategoryDataset.html#line.261"><B>removeValue</B></A>(java.lang.Comparable&nbsp;rowKey,
                        java.lang.Comparable&nbsp;columnKey)</PRE>
<DL>
<DD>Removes a value from the dataset.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>rowKey</CODE> - the row key.<DD><CODE>columnKey</CODE> - the column key.</DL>
</DD>
</DL>
<HR>

<A NAME="removeRow(int)"><!-- --></A><H3>
removeRow</H3>
<PRE>
public void <A HREF="../../../../src-html/org/jfree/data/category/DefaultCategoryDataset.html#line.271"><B>removeRow</B></A>(int&nbsp;rowIndex)</PRE>
<DL>
<DD>Removes a row from the dataset.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>rowIndex</CODE> - the row index.</DL>
</DD>
</DL>
<HR>

<A NAME="removeRow(java.lang.Comparable)"><!-- --></A><H3>
removeRow</H3>
<PRE>
public void <A HREF="../../../../src-html/org/jfree/data/category/DefaultCategoryDataset.html#line.281"><B>removeRow</B></A>(java.lang.Comparable&nbsp;rowKey)</PRE>
<DL>
<DD>Removes a row from the dataset.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>rowKey</CODE> - the row key.</DL>
</DD>
</DL>
<HR>

<A NAME="removeColumn(int)"><!-- --></A><H3>
removeColumn</H3>
<PRE>
public void <A HREF="../../../../src-html/org/jfree/data/category/DefaultCategoryDataset.html#line.291"><B>removeColumn</B></A>(int&nbsp;columnIndex)</PRE>
<DL>
<DD>Removes a column from the dataset.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>columnIndex</CODE> - the column index.</DL>
</DD>
</DL>
<HR>

<A NAME="removeColumn(java.lang.Comparable)"><!-- --></A><H3>
removeColumn</H3>
<PRE>
public void <A HREF="../../../../src-html/org/jfree/data/category/DefaultCategoryDataset.html#line.301"><B>removeColumn</B></A>(java.lang.Comparable&nbsp;columnKey)</PRE>
<DL>
<DD>Removes a column from the dataset.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>columnKey</CODE> - the column key.</DL>
</DD>
</DL>
<HR>

<A NAME="clear()"><!-- --></A><H3>
clear</H3>
<PRE>
public void <A HREF="../../../../src-html/org/jfree/data/category/DefaultCategoryDataset.html#line.310"><B>clear</B></A>()</PRE>
<DL>
<DD>Clears all data from the dataset and 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>
</DL>
</DD>
</DL>
<HR>

<A NAME="equals(java.lang.Object)"><!-- --></A><H3>
equals</H3>
<PRE>
public boolean <A HREF="../../../../src-html/org/jfree/data/category/DefaultCategoryDataset.html#line.322"><B>equals</B></A>(java.lang.Object&nbsp;obj)</PRE>
<DL>
<DD>Tests if this object is equal to another.
<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 other object.
<DT><B>Returns:</B><DD>A boolean.</DL>
</DD>
</DL>
<HR>

<A NAME="hashCode()"><!-- --></A><H3>
hashCode</H3>
<PRE>
public int <A HREF="../../../../src-html/org/jfree/data/category/DefaultCategoryDataset.html#line.365"><B>hashCode</B></A>()</PRE>
<DL>
<DD>Returns a hash code for the dataset.
<P>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE>hashCode</CODE> in class <CODE>java.lang.Object</CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>A hash code.</DL>
</DD>
</DL>
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