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<A NAME="Map()"><!-- --></A><H3>
Map</H3>
<PRE>
       <B>Map</B>()</PRE>
<DL>
<DD>Constructs a new Map instance.
<P>
</DL>

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<A NAME="size()"><!-- --></A><H3>
size</H3>
<PRE>
       int <B>size</B>()</PRE>
<DL>
<DD>Returns the number of key-value mappings in this map.
<P>
<DD><DL>

<DT><B>Returns:</B><DD>the number of key-value mappings in this map.</DL>
</DD>
</DL>
<HR>

<A NAME="clear()"><!-- --></A><H3>
clear</H3>
<PRE>
       void <B>clear</B>()</PRE>
<DL>
<DD>Removes all mappings from this map.
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="put(Object, Object)"><!-- --></A><H3>
put</H3>
<PRE>
       <A HREF="../../widsets/api/Map.html" title="class in ">Map</A> <B>put</B>(<A HREF="../../widsets/api/Object.html" title="class in ">Object</A>&nbsp;key,
               <A HREF="../../widsets/api/Object.html" title="class in ">Object</A>&nbsp;value)</PRE>
<DL>
<DD>Associates the specified value with the specified key in this map.
 If the map previously contained a mapping for
 this key, the old value is replaced by the specified value.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>key</CODE> - key with which the specified value is to be associated.<DD><CODE>value</CODE> - value to be associated with the specified key.
<DT><B>Returns:</B><DD>this <code>Map</code> instance.</DL>
</DD>
</DL>
<HR>

<A NAME="remove(Object)"><!-- --></A><H3>
remove</H3>
<PRE>
       <A HREF="../../widsets/api/Object.html" title="class in ">Object</A> <B>remove</B>(<A HREF="../../widsets/api/Object.html" title="class in ">Object</A>&nbsp;key)</PRE>
<DL>
<DD>Removes the mapping for this key from this map if it is present.

 <p>Returns the value to which the map previously associated the key, or
 <tt>null</tt> if the map contained no mapping for this key. 
 The map will not contain a mapping for
 the specified  key once the call returns.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>key</CODE> - key whose mapping is to be removed from the map.
<DT><B>Returns:</B><DD>previous value associated with specified key, or <tt>null</tt>
               if there was no mapping for key.</DL>
</DD>
</DL>
<HR>

<A NAME="containsKey(Object)"><!-- --></A><H3>
containsKey</H3>
<PRE>
       boolean <B>containsKey</B>(<A HREF="../../widsets/api/Object.html" title="class in ">Object</A>&nbsp;key)</PRE>
<DL>
<DD>Returns <tt>true</tt> if this map contains a mapping for the specified
 key.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>key</CODE> - key whose presence in this map is to be tested.
<DT><B>Returns:</B><DD><tt>true</tt> if this map contains a mapping for the specified
         key.</DL>
</DD>
</DL>
<HR>

<A NAME="containsValue(Object)"><!-- --></A><H3>
containsValue</H3>
<PRE>
       boolean <B>containsValue</B>(<A HREF="../../widsets/api/Object.html" title="class in ">Object</A>&nbsp;value)</PRE>
<DL>
<DD>Returns <tt>true</tt> if this map maps one or more keys to the
 specified value.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>value</CODE> - value whose presence in this map is to be tested.
<DT><B>Returns:</B><DD><tt>true</tt> if this map maps one or more keys to the
         specified value.</DL>
</DD>
</DL>
<HR>

<A NAME="keys()"><!-- --></A><H3>
keys</H3>
<PRE>
       <A HREF="../../widsets/api/List.html" title="class in ">List</A> <B>keys</B>()</PRE>
<DL>
<DD>Returns a list containing all the keys on this map.
 Order of keys on list is unspecified.
<P>
<DD><DL>

<DT><B>Returns:</B><DD>List containing all the keys on this Map</DL>
</DD>
</DL>
<HR>

<A NAME="values()"><!-- --></A><H3>
values</H3>
<PRE>
       <A HREF="../../widsets/api/List.html" title="class in ">List</A> <B>values</B>()</PRE>
<DL>
<DD>Returns a list containing all the values on this map.
 Order of values on list is unspecified.
<P>
<DD><DL>

<DT><B>Returns:</B><DD>List containing all the values on this Map</DL>
</DD>
</DL>
<HR>

<A NAME="operator_get(Object)"><!-- --></A><H3>
operator_get</H3>
<PRE>
       <A HREF="../../widsets/api/Object.html" title="class in ">Object</A> <B>operator_get</B>(<A HREF="../../widsets/api/Object.html" title="class in ">Object</A>&nbsp;key)</PRE>
<DL>
<DD>Operator to return the value to which this map maps the specified key.  
 Returns <tt>null</tt> if the map contains no mapping for this key. 

 <p>
 <code>Map map = ...;<br>String s = map["name"];</code>
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>key</CODE> - key whose associated value is to be returned.
<DT><B>Returns:</B><DD>the value to which this map maps the specified key, or
               <tt>null</tt> if the map contains no mapping for this key.<DT><B>See Also:</B><DD><a href="package-summary.html#operator_get">get</a></DL>
</DD>
</DL>
<HR>

<A NAME="operator_set(Object, Object)"><!-- --></A><H3>
operator_set</H3>
<PRE>
       <A HREF="../../widsets/api/Object.html" title="class in ">Object</A> <B>operator_set</B>(<A HREF="../../widsets/api/Object.html" title="class in ">Object</A>&nbsp;key,
                           <A HREF="../../widsets/api/Object.html" title="class in ">Object</A>&nbsp;value)</PRE>
<DL>
<DD>Associates the specified value with the specified key in this map.
 If the map previously contained a mapping for
 this key, the old value is replaced by the specified value.  
 <p>
 <code>Map map = ...;<br>map["city"] = "Rome";</code>
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>key</CODE> - key with which the specified value is to be associated.<DD><CODE>value</CODE> - value to be associated with the specified key.
<DT><B>Returns:</B><DD>the associated value<DT><B>See Also:</B><DD><a href="package-summary.html#operator_set">set</a></DL>
</DD>
</DL>
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