defaultkeyedvaluedataset.html

jfreechart1。0。2的api。

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<A NAME="DefaultKeyedValueDataset()"><!-- --></A><H3>
DefaultKeyedValueDataset</H3>
<PRE>
public <A HREF="../../../../src-html/org/jfree/data/general/DefaultKeyedValueDataset.html#line.68"><B>DefaultKeyedValueDataset</B></A>()</PRE>
<DL>
<DD>Constructs a new dataset, initially empty.
<P>
</DL>
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<A NAME="DefaultKeyedValueDataset(java.lang.Comparable, java.lang.Number)"><!-- --></A><H3>
DefaultKeyedValueDataset</H3>
<PRE>
public <A HREF="../../../../src-html/org/jfree/data/general/DefaultKeyedValueDataset.html#line.78"><B>DefaultKeyedValueDataset</B></A>(java.lang.Comparable&nbsp;key,
                                java.lang.Number&nbsp;value)</PRE>
<DL>
<DD>Creates a new dataset with the specified initial value.
<P>
<DL>
<DT><B>Parameters:</B><DD><CODE>key</CODE> - the key.<DD><CODE>value</CODE> - the value (<code>null</code> permitted).</DL>
</DL>
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<A NAME="DefaultKeyedValueDataset(org.jfree.data.KeyedValue)"><!-- --></A><H3>
DefaultKeyedValueDataset</H3>
<PRE>
public <A HREF="../../../../src-html/org/jfree/data/general/DefaultKeyedValueDataset.html#line.88"><B>DefaultKeyedValueDataset</B></A>(<A HREF="../../../../org/jfree/data/KeyedValue.html" title="interface in org.jfree.data">KeyedValue</A>&nbsp;data)</PRE>
<DL>
<DD>Creates a new dataset that uses the data from a <A HREF="../../../../org/jfree/data/KeyedValue.html" title="interface in org.jfree.data"><CODE>KeyedValue</CODE></A> 
 instance.
<P>
<DL>
<DT><B>Parameters:</B><DD><CODE>data</CODE> - the data (<code>null</code> permitted).</DL>
</DL>

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<A NAME="getKey()"><!-- --></A><H3>
getKey</H3>
<PRE>
public java.lang.Comparable <A HREF="../../../../src-html/org/jfree/data/general/DefaultKeyedValueDataset.html#line.98"><B>getKey</B></A>()</PRE>
<DL>
<DD>Returns the key associated with the value, or <code>null</code> if the 
 dataset has no data item.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/jfree/data/KeyedValue.html#getKey()">getKey</A></CODE> in interface <CODE><A HREF="../../../../org/jfree/data/KeyedValue.html" title="interface in org.jfree.data">KeyedValue</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>The key.</DL>
</DD>
</DL>
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<A NAME="getValue()"><!-- --></A><H3>
getValue</H3>
<PRE>
public java.lang.Number <A HREF="../../../../src-html/org/jfree/data/general/DefaultKeyedValueDataset.html#line.111"><B>getValue</B></A>()</PRE>
<DL>
<DD>Returns the value.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/jfree/data/Value.html#getValue()">getValue</A></CODE> in interface <CODE><A HREF="../../../../org/jfree/data/Value.html" title="interface in org.jfree.data">Value</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>The value (possibly <code>null</code>).</DL>
</DD>
</DL>
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<A NAME="updateValue(java.lang.Number)"><!-- --></A><H3>
updateValue</H3>
<PRE>
public void <A HREF="../../../../src-html/org/jfree/data/general/DefaultKeyedValueDataset.html#line.124"><B>updateValue</B></A>(java.lang.Number&nbsp;value)</PRE>
<DL>
<DD>Updates the value.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>value</CODE> - the new value (<code>null</code> permitted).</DL>
</DD>
</DL>
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<A NAME="setValue(java.lang.Comparable, java.lang.Number)"><!-- --></A><H3>
setValue</H3>
<PRE>
public void <A HREF="../../../../src-html/org/jfree/data/general/DefaultKeyedValueDataset.html#line.138"><B>setValue</B></A>(java.lang.Comparable&nbsp;key,
                     java.lang.Number&nbsp;value)</PRE>
<DL>
<DD>Sets the value for 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>
<DT><B>Parameters:</B><DD><CODE>key</CODE> - the key.<DD><CODE>value</CODE> - the value (<code>null</code> 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/general/DefaultKeyedValueDataset.html#line.150"><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.
<DT><B>Returns:</B><DD>A boolean.</DL>
</DD>
</DL>
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<A NAME="hashCode()"><!-- --></A><H3>
hashCode</H3>
<PRE>
public int <A HREF="../../../../src-html/org/jfree/data/general/DefaultKeyedValueDataset.html#line.179"><B>hashCode</B></A>()</PRE>
<DL>
<DD>Returns a hash code.
<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>
<HR>

<A NAME="clone()"><!-- --></A><H3>
clone</H3>
<PRE>
public java.lang.Object <A HREF="../../../../src-html/org/jfree/data/general/DefaultKeyedValueDataset.html#line.191"><B>clone</B></A>()
                       throws java.lang.CloneNotSupportedException</PRE>
<DL>
<DD>Creates a clone of the 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>A clone.
<DT><B>Throws:</B>
<DD><CODE>java.lang.CloneNotSupportedException</CODE> - This class will not throw this 
         exception, but subclasses (if any) might.</DL>
</DD>
</DL>
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