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  75   SUMMARY:&nbsp;NESTED&nbsp;|&nbsp;FIELD&nbsp;|&nbsp;<A HREF="#constructor_summary">CONSTR</A>&nbsp;|&nbsp;<A HREF="#method_summary">METHOD</A></FONT></TD>
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  84 <!-- ======== START OF CLASS DATA ======== -->
  85 <H2>
  86 <FONT SIZE="-1">
  87 com.google.common.collect</FONT>
  88 <BR>
  89 Class ForwardingMap&lt;K,V&gt;</H2>
  90 <PRE>
  91 <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html" title="class or interface in java.lang">java.lang.Object</A>
  92   <IMG SRC="../../../../resources/inherit.gif" ALT="extended by "><A HREF="../../../../com/google/common/collect/ForwardingObject.html" title="class in com.google.common.collect">com.google.common.collect.ForwardingObject</A>
  93       <IMG SRC="../../../../resources/inherit.gif" ALT="extended by "><B>com.google.common.collect.ForwardingMap&lt;K,V&gt;</B>
  94 </PRE>
  95 <DL>
  96 <DT><B>All Implemented Interfaces:</B> <DD><A HREF="http://java.sun.com/javase/6/docs/api/java/util/Map.html" title="class or interface in java.util">Map</A>&lt;K,V&gt;</DD>
  97 </DL>
  98 <DL>
  99 <DT><B>Direct Known Subclasses:</B> <DD><A HREF="../../../../com/google/common/collect/EnumBiMap.html" title="class in com.google.common.collect">EnumBiMap</A>, <A HREF="../../../../com/google/common/collect/EnumHashBiMap.html" title="class in com.google.common.collect">EnumHashBiMap</A>, <A HREF="../../../../com/google/common/collect/ForwardingConcurrentMap.html" title="class in com.google.common.collect">ForwardingConcurrentMap</A>, <A HREF="../../../../com/google/common/collect/ForwardingSortedMap.html" title="class in com.google.common.collect">ForwardingSortedMap</A>, <A HREF="../../../../com/google/common/collect/HashBiMap.html" title="class in com.google.common.collect">HashBiMap</A></DD>
 100 </DL>
 101 <HR>
 102 <DL>
 103 <DT><PRE>public abstract class <B>ForwardingMap&lt;K,V&gt;</B><DT>extends <A HREF="../../../../com/google/common/collect/ForwardingObject.html" title="class in com.google.common.collect">ForwardingObject</A><DT>implements <A HREF="http://java.sun.com/javase/6/docs/api/java/util/Map.html" title="class or interface in java.util">Map</A>&lt;K,V&gt;</DL>
 104 </PRE>
 105
 106 <P>
 107 A map which forwards all its method calls to another map. Subclasses should
 108  override one or more methods to modify the behavior of the backing map as
 109  desired per the <a
 110  href="http://en.wikipedia.org/wiki/Decorator_pattern">decorator pattern</a>.
 111 <P>
 112
 113 <P>
 114 <DL>
 115 <DT><B>Author:</B></DT>
 116   <DD>Kevin Bourrillion, Jared Levy</DD>
 117 <DT><B>See Also:</B><DD><A HREF="../../../../com/google/common/collect/ForwardingObject.html" title="class in com.google.common.collect"><CODE>ForwardingObject</CODE></A></DL>
 118 <HR>
 119
 120 <P>
 121 <!-- ======== NESTED CLASS SUMMARY ======== -->
 122
 123 <A NAME="nested_class_summary"><!-- --></A>
 124 <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
 125 <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
 126 <TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
 127 <B>Nested Class Summary</B></FONT></TH>
 128 </TR>
 129 </TABLE>
 130 &nbsp;<A NAME="nested_classes_inherited_from_class_java.util.Map"><!-- --></A>
 131 <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
 132 <TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
 133 <TH ALIGN="left"><B>Nested classes/interfaces inherited from interface java.util.<A HREF="http://java.sun.com/javase/6/docs/api/java/util/Map.html" title="class or interface in java.util">Map</A></B></TH>
 134 </TR>
 135 <TR BGCOLOR="white" CLASS="TableRowColor">
 136 <TD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/util/Map.Entry.html" title="class or interface in java.util">Map.Entry</A>&lt;<A HREF="http://java.sun.com/javase/6/docs/api/java/util/Map.Entry.html" title="class or interface in java.util">K</A>,<A HREF="http://java.sun.com/javase/6/docs/api/java/util/Map.Entry.html" title="class or interface in java.util">V</A>&gt;</CODE></TD>
 137 </TR>
 138 </TABLE>
 139 &nbsp;
 140
 141 <!-- ======== CONSTRUCTOR SUMMARY ======== -->
 142
 143 <A NAME="constructor_summary"><!-- --></A>
 144 <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
 145 <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
 146 <TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
 147 <B>Constructor Summary</B></FONT></TH>
 148 </TR>
 149 <TR BGCOLOR="white" CLASS="TableRowColor">
 150 <TD><CODE><B><A HREF="../../../../com/google/common/collect/ForwardingMap.html#ForwardingMap()">ForwardingMap</A></B>()</CODE>
 151
 152 <BR>
 153 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
 154 </TR>
 155 </TABLE>
 156 &nbsp;
 157 <!-- ========== METHOD SUMMARY =========== -->
 158
 159 <A NAME="method_summary"><!-- --></A>
 160 <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
 161 <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
 162 <TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
 163 <B>Method Summary</B></FONT></TH>
 164 </TR>
 165 <TR BGCOLOR="white" CLASS="TableRowColor">
 166 <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
 167 <CODE>&nbsp;void</CODE></FONT></TD>
 168 <TD><CODE><B><A HREF="../../../../com/google/common/collect/ForwardingMap.html#clear()">clear</A></B>()</CODE>
 169
 170 <BR>
 171 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Removes all mappings from this map (optional operation).</TD>
 172 </TR>
 173 <TR BGCOLOR="white" CLASS="TableRowColor">
 174 <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
 175 <CODE>&nbsp;boolean</CODE></FONT></TD>
 176 <TD><CODE><B><A HREF="../../../../com/google/common/collect/ForwardingMap.html#containsKey(java.lang.Object)">containsKey</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A>&nbsp;key)</CODE>
 177
 178 <BR>
 179 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns <tt>true</tt> if this map contains a mapping for the specified
 180  key.</TD>
 181 </TR>
 182 <TR BGCOLOR="white" CLASS="TableRowColor">
 183 <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
 184 <CODE>&nbsp;boolean</CODE></FONT></TD>
 185 <TD><CODE><B><A HREF="../../../../com/google/common/collect/ForwardingMap.html#containsValue(java.lang.Object)">containsValue</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A>&nbsp;value)</CODE>
 186
 187 <BR>
 188 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns <tt>true</tt> if this map maps one or more keys to the
 189  specified value.</TD>
 190 </TR>
 191 <TR BGCOLOR="white" CLASS="TableRowColor">
 192 <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
 193 <CODE>protected abstract &nbsp;<A HREF="http://java.sun.com/javase/6/docs/api/java/util/Map.html" title="class or interface in java.util">Map</A>&lt;<A HREF="../../../../com/google/common/collect/ForwardingMap.html" title="type parameter in ForwardingMap">K</A>,<A HREF="../../../../com/google/common/collect/ForwardingMap.html" title="type parameter in ForwardingMap">V</A>&gt;</CODE></FONT></TD>
 194 <TD><CODE><B><A HREF="../../../../com/google/common/collect/ForwardingMap.html#delegate()">delegate</A></B>()</CODE>
 195
 196 <BR>
 197 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns the backing delegate instance that methods are forwarded to.</TD>
 198 </TR>
 199 <TR BGCOLOR="white" CLASS="TableRowColor">
 200 <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
 201 <CODE>&nbsp;<A HREF="http://java.sun.com/javase/6/docs/api/java/util/Set.html" title="class or interface in java.util">Set</A>&lt;<A HREF="http://java.sun.com/javase/6/docs/api/java/util/Map.Entry.html" title="class or interface in java.util">Map.Entry</A>&lt;<A HREF="../../../../com/google/common/collect/ForwardingMap.html" title="type parameter in ForwardingMap">K</A>,<A HREF="../../../../com/google/common/collect/ForwardingMap.html" title="type parameter in ForwardingMap">V</A>&gt;&gt;</CODE></FONT></TD>
 202 <TD><CODE><B><A HREF="../../../../com/google/common/collect/ForwardingMap.html#entrySet()">entrySet</A></B>()</CODE>
 203
 204 <BR>
 205 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns a set view of the mappings contained in this map.</TD>
 206 </TR>
 207 <TR BGCOLOR="white" CLASS="TableRowColor">
 208 <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
 209 <CODE>&nbsp;boolean</CODE></FONT></TD>
 210 <TD><CODE><B><A HREF="../../../../com/google/common/collect/ForwardingMap.html#equals(java.lang.Object)">equals</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A>&nbsp;obj)</CODE>
 211
 212 <BR>
 213 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Indicates whether some other object is "equal to" this one.</TD>
 214 </TR>
 215 <TR BGCOLOR="white" CLASS="TableRowColor">
 216 <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
 217 <CODE>&nbsp;<A HREF="../../../../com/google/common/collect/ForwardingMap.html" title="type parameter in ForwardingMap">V</A></CODE></FONT></TD>
 218 <TD><CODE><B><A HREF="../../../../com/google/common/collect/ForwardingMap.html#get(java.lang.Object)">get</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A>&nbsp;key)</CODE>
 219
 220 <BR>
 221 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns the value to which this map maps the specified key.</TD>
 222 </TR>
 223 <TR BGCOLOR="white" CLASS="TableRowColor">
 224 <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
 225 <CODE>&nbsp;int</CODE></FONT></TD>
 226 <TD><CODE><B><A HREF="../../../../com/google/common/collect/ForwardingMap.html#hashCode()">hashCode</A></B>()</CODE>
 227
 228 <BR>
 229 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns a hash code value for the object.</TD>
 230 </TR>
 231 <TR BGCOLOR="white" CLASS="TableRowColor">
 232 <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
 233 <CODE>&nbsp;boolean</CODE></FONT></TD>
 234 <TD><CODE><B><A HREF="../../../../com/google/common/collect/ForwardingMap.html#isEmpty()">isEmpty</A></B>()</CODE>
 235
 236 <BR>
 237 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns <tt>true</tt> if this map contains no key-value mappings.</TD>
 238 </TR>
 239 <TR BGCOLOR="white" CLASS="TableRowColor">
 240 <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
 241 <CODE>&nbsp;<A HREF="http://java.sun.com/javase/6/docs/api/java/util/Set.html" title="class or interface in java.util">Set</A>&lt;<A HREF="../../../../com/google/common/collect/ForwardingMap.html" title="type parameter in ForwardingMap">K</A>&gt;</CODE></FONT></TD>
 242 <TD><CODE><B><A HREF="../../../../com/google/common/collect/ForwardingMap.html#keySet()">keySet</A></B>()</CODE>
 243
 244 <BR>
 245 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns a set view of the keys contained in this map.</TD>
 246 </TR>
 247 <TR BGCOLOR="white" CLASS="TableRowColor">
 248 <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
 249 <CODE>&nbsp;<A HREF="../../../../com/google/common/collect/ForwardingMap.html" title="type parameter in ForwardingMap">V</A></CODE></FONT></TD>
 250 <TD><CODE><B><A HREF="../../../../com/google/common/collect/ForwardingMap.html#put(K, V)">put</A></B>(<A HREF="../../../../com/google/common/collect/ForwardingMap.html" title="type parameter in ForwardingMap">K</A>&nbsp;key,
 251     <A HREF="../../../../com/google/common/collect/ForwardingMap.html" title="type parameter in ForwardingMap">V</A>&nbsp;value)</CODE>
 252
 253 <BR>
 254 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Associates the specified value with the specified key in this map
 255  (optional operation).</TD>
 256 </TR>
 257 <TR BGCOLOR="white" CLASS="TableRowColor">
 258 <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
 259 <CODE>&nbsp;void</CODE></FONT></TD>
 260 <TD><CODE><B><A HREF="../../../../com/google/common/collect/ForwardingMap.html#putAll(java.util.Map)">putAll</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/util/Map.html" title="class or interface in java.util">Map</A>&lt;? extends <A HREF="../../../../com/google/common/collect/ForwardingMap.html" title="type parameter in ForwardingMap">K</A>,? extends <A HREF="../../../../com/google/common/collect/ForwardingMap.html" title="type parameter in ForwardingMap">V</A>&gt;&nbsp;map)</CODE>
 261
 262 <BR>
 263 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Copies all of the mappings from the specified map to this map
 264  (optional operation).</TD>
 265 </TR>
 266 <TR BGCOLOR="white" CLASS="TableRowColor">
 267 <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
 268 <CODE>&nbsp;<A HREF="../../../../com/google/common/collect/ForwardingMap.html" title="type parameter in ForwardingMap">V</A></CODE></FONT></TD>
 269 <TD><CODE><B><A HREF="../../../../com/google/common/collect/ForwardingMap.html#remove(java.lang.Object)">remove</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A>&nbsp;object)</CODE>
 270
 271 <BR>
 272 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Removes the mapping for this key from this map if it is present
 273  (optional operation).</TD>
 274 </TR>
 275 <TR BGCOLOR="white" CLASS="TableRowColor">
 276 <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
 277 <CODE>&nbsp;int</CODE></FONT></TD>
 278 <TD><CODE><B><A HREF="../../../../com/google/common/collect/ForwardingMap.html#size()">size</A></B>()</CODE>
 279
 280 <BR>
 281 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns the number of key-value mappings in this map.</TD>
 282 </TR>
 283 <TR BGCOLOR="white" CLASS="TableRowColor">
 284 <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
 285 <CODE>&nbsp;<A HREF="http://java.sun.com/javase/6/docs/api/java/util/Collection.html" title="class or interface in java.util">Collection</A>&lt;<A HREF="../../../../com/google/common/collect/ForwardingMap.html" title="type parameter in ForwardingMap">V</A>&gt;</CODE></FONT></TD>
 286 <TD><CODE><B><A HREF="../../../../com/google/common/collect/ForwardingMap.html#values()">values</A></B>()</CODE>
 287
 288 <BR>
 289 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns a collection view of the values contained in this map.</TD>
 290 </TR>
 291 </TABLE>
 292 &nbsp;<A NAME="methods_inherited_from_class_com.google.common.collect.ForwardingObject"><!-- --></A>
 293 <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
 294 <TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
 295 <TH ALIGN="left"><B>Methods inherited from class com.google.common.collect.<A HREF="../../../../com/google/common/collect/ForwardingObject.html" title="class in com.google.common.collect">ForwardingObject</A></B></TH>
 296 </TR>
 297 <TR BGCOLOR="white" CLASS="TableRowColor">
 298 <TD><CODE><A HREF="../../../../com/google/common/collect/ForwardingObject.html#toString()">toString</A></CODE></TD>
 299 </TR>
 300 </TABLE>
 301 &nbsp;<A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A>
 302 <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
 303 <TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
 304 <TH ALIGN="left"><B>Methods inherited from class java.lang.<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A></B></TH>
 305 </TR>
 306 <TR BGCOLOR="white" CLASS="TableRowColor">
 307 <TD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html#clone()" title="class or interface in java.lang">clone</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html#finalize()" title="class or interface in java.lang">finalize</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html#getClass()" title="class or interface in java.lang">getClass</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html#notify()" title="class or interface in java.lang">notify</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html#notifyAll()" title="class or interface in java.lang">notifyAll</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html#wait()" title="class or interface in java.lang">wait</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html#wait(long)" title="class or interface in java.lang">wait</A>, <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html#wait(long, int)" title="class or interface in java.lang">wait</A></CODE></TD>
 308 </TR>
 309 </TABLE>
 310 &nbsp;
 311 <P>
 312
 313 <!-- ========= CONSTRUCTOR DETAIL ======== -->
 314
 315 <A NAME="constructor_detail"><!-- --></A>
 316 <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
 317 <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
 318 <TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">
 319 <B>Constructor Detail</B></FONT></TH>
 320 </TR>
 321 </TABLE>
 322
 323 <A NAME="ForwardingMap()"><!-- --></A><H3>
 324 ForwardingMap</H3>
 325 <PRE>
 326 public <B>ForwardingMap</B>()</PRE>
 327 <DL>
 328 </DL>
 329
 330 <!-- ============ METHOD DETAIL ========== -->
 331
 332 <A NAME="method_detail"><!-- --></A>
 333 <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
 334 <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
 335 <TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2">
 336 <B>Method Detail</B></FONT></TH>
 337 </TR>
 338 </TABLE>
 339
 340 <A NAME="delegate()"><!-- --></A><H3>
 341 delegate</H3>
 342 <PRE>
 343 protected abstract <A HREF="http://java.sun.com/javase/6/docs/api/java/util/Map.html" title="class or interface in java.util">Map</A>&lt;<A HREF="../../../../com/google/common/collect/ForwardingMap.html" title="type parameter in ForwardingMap">K</A>,<A HREF="../../../../com/google/common/collect/ForwardingMap.html" title="type parameter in ForwardingMap">V</A>&gt; <B>delegate</B>()</PRE>
 344 <DL>
 345 <DD><B>Description copied from class: <CODE><A HREF="../../../../com/google/common/collect/ForwardingObject.html#delegate()">ForwardingObject</A></CODE></B></DD>
 346 <DD>Returns the backing delegate instance that methods are forwarded to.
 347  Abstract subclasses generally override the <A HREF="../../../../com/google/common/collect/ForwardingObject.html" title="class in com.google.common.collect"><CODE>ForwardingObject</CODE></A> method
 348  with an abstract method that has a more specific return type, such as
 349  <A HREF="../../../../com/google/common/collect/ForwardingSet.html#delegate()"><CODE>ForwardingSet.delegate()</CODE></A>. Concrete subclasses override this method to
 350  supply the instance being decorated.
 351 <P>
 352 <DD><DL>
 353 <DT><B>Specified by:</B><DD><CODE><A HREF="../../../../com/google/common/collect/ForwardingObject.html#delegate()">delegate</A></CODE> in class <CODE><A HREF="../../../../com/google/common/collect/ForwardingObject.html" title="class in com.google.common.collect">ForwardingObject</A></CODE></DL>
 354 </DD>
 355 <DD><DL>
 356 </DL>
 357 </DD>
 358 </DL>
 359 <HR>
 360
 361 <A NAME="size()"><!-- --></A><H3>
 362 size</H3>
 363 <PRE>
 364 public int <B>size</B>()</PRE>
 365 <DL>
 366 <DD><B>Description copied from interface: <CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/util/Map.html#size()" title="class or interface in java.util">java.util.Map</A></CODE></B></DD>
 367 <DD>Returns the number of key-value mappings in this map.  If the
 368  map contains more than <tt>Integer.MAX_VALUE</tt> elements, returns
 369  <tt>Integer.MAX_VALUE</tt>.
 370 <P>
 371 <DD><DL>
 372 <DT><B>Specified by:</B><DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/util/Map.html#size()" title="class or interface in java.util">size</A></CODE> in interface <CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/util/Map.html" title="class or interface in java.util">Map</A>&lt;<A HREF="../../../../com/google/common/collect/ForwardingMap.html" title="type parameter in ForwardingMap">K</A>,<A HREF="../../../../com/google/common/collect/ForwardingMap.html" title="type parameter in ForwardingMap">V</A>&gt;</CODE></DL>
 373 </DD>
 374 <DD><DL>
 375
 376 <DT><B>Returns:</B><DD>the number of key-value mappings in this map.</DL>
 377 </DD>
 378 </DL>
 379 <HR>
 380
 381 <A NAME="isEmpty()"><!-- --></A><H3>
 382 isEmpty</H3>
 383 <PRE>
 384 public boolean <B>isEmpty</B>()</PRE>
 385 <DL>
 386 <DD><B>Description copied from interface: <CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/util/Map.html#isEmpty()" title="class or interface in java.util">java.util.Map</A></CODE></B></DD>
 387 <DD>Returns <tt>true</tt> if this map contains no key-value mappings.
 388 <P>
 389 <DD><DL>
 390 <DT><B>Specified by:</B><DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/util/Map.html#isEmpty()" title="class or interface in java.util">isEmpty</A></CODE> in interface <CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/util/Map.html" title="class or interface in java.util">Map</A>&lt;<A HREF="../../../../com/google/common/collect/ForwardingMap.html" title="type parameter in ForwardingMap">K</A>,<A HREF="../../../../com/google/common/collect/ForwardingMap.html" title="type parameter in ForwardingMap">V</A>&gt;</CODE></DL>
 391 </DD>
 392 <DD><DL>
 393
 394 <DT><B>Returns:</B><DD><tt>true</tt> if this map contains no key-value mappings.</DL>
 395 </DD>
 396 </DL>
 397 <HR>
 398
 399 <A NAME="remove(java.lang.Object)"><!-- --></A><H3>
 400 remove</H3>
 401 <PRE>
 402 public <A HREF="../../../../com/google/common/collect/ForwardingMap.html" title="type parameter in ForwardingMap">V</A> <B>remove</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A>&nbsp;object)</PRE>
 403 <DL>
 404 <DD><B>Description copied from interface: <CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/util/Map.html#remove(java.lang.Object)" title="class or interface in java.util">java.util.Map</A></CODE></B></DD>
 405 <DD>Removes the mapping for this key from this map if it is present
 406  (optional operation).   More formally, if this map contains a mapping
 407  from key <tt>k</tt> to value <tt>v</tt> such that
 408  <code>(key==null ?  k==null : key.equals(k))</code>, that mapping
 409  is removed.  (The map can contain at most one such mapping.)
 410
 411  <p>Returns the value to which the map previously associated the key, or
 412  <tt>null</tt> if the map contained no mapping for this key.  (A
 413  <tt>null</tt> return can also indicate that the map previously
 414  associated <tt>null</tt> with the specified key if the implementation
 415  supports <tt>null</tt> values.)  The map will not contain a mapping for
 416  the specified  key once the call returns.
 417 <P>
 418 <DD><DL>
 419 <DT><B>Specified by:</B><DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/util/Map.html#remove(java.lang.Object)" title="class or interface in java.util">remove</A></CODE> in interface <CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/util/Map.html" title="class or interface in java.util">Map</A>&lt;<A HREF="../../../../com/google/common/collect/ForwardingMap.html" title="type parameter in ForwardingMap">K</A>,<A HREF="../../../../com/google/common/collect/ForwardingMap.html" title="type parameter in ForwardingMap">V</A>&gt;</CODE></DL>
 420 </DD>
 421 <DD><DL>
 422 <DT><B>Parameters:</B><DD><CODE>object</CODE> - key whose mapping is to be removed from the map.
 423 <DT><B>Returns:</B><DD>previous value associated with specified key, or <tt>null</tt>
 424                if there was no mapping for key.</DL>
 425 </DD>
 426 </DL>
 427 <HR>
 428
 429 <A NAME="clear()"><!-- --></A><H3>
 430 clear</H3>
 431 <PRE>
 432 public void <B>clear</B>()</PRE>
 433 <DL>
 434 <DD><B>Description copied from interface: <CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/util/Map.html#clear()" title="class or interface in java.util">java.util.Map</A></CODE></B></DD>
 435 <DD>Removes all mappings from this map (optional operation).
 436 <P>
 437 <DD><DL>
 438 <DT><B>Specified by:</B><DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/util/Map.html#clear()" title="class or interface in java.util">clear</A></CODE> in interface <CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/util/Map.html" title="class or interface in java.util">Map</A>&lt;<A HREF="../../../../com/google/common/collect/ForwardingMap.html" title="type parameter in ForwardingMap">K</A>,<A HREF="../../../../com/google/common/collect/ForwardingMap.html" title="type parameter in ForwardingMap">V</A>&gt;</CODE></DL>
 439 </DD>
 440 <DD><DL>
 441 </DL>
 442 </DD>
 443 </DL>
 444 <HR>
 445
 446 <A NAME="containsKey(java.lang.Object)"><!-- --></A><H3>
 447 containsKey</H3>
 448 <PRE>
 449 public boolean <B>containsKey</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A>&nbsp;key)</PRE>
 450 <DL>
 451 <DD><B>Description copied from interface: <CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/util/Map.html#containsKey(java.lang.Object)" title="class or interface in java.util">java.util.Map</A></CODE></B></DD>
 452 <DD>Returns <tt>true</tt> if this map contains a mapping for the specified
 453  key.  More formally, returns <tt>true</tt> if and only if
 454  this map contains a mapping for a key <tt>k</tt> such that
 455  <tt>(key==null ? k==null : key.equals(k))</tt>.  (There can be
 456  at most one such mapping.)
 457 <P>
 458 <DD><DL>
 459 <DT><B>Specified by:</B><DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/util/Map.html#containsKey(java.lang.Object)" title="class or interface in java.util">containsKey</A></CODE> in interface <CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/util/Map.html" title="class or interface in java.util">Map</A>&lt;<A HREF="../../../../com/google/common/collect/ForwardingMap.html" title="type parameter in ForwardingMap">K</A>,<A HREF="../../../../com/google/common/collect/ForwardingMap.html" title="type parameter in ForwardingMap">V</A>&gt;</CODE></DL>
 460 </DD>
 461 <DD><DL>
 462 <DT><B>Parameters:</B><DD><CODE>key</CODE> - key whose presence in this map is to be tested.
 463 <DT><B>Returns:</B><DD><tt>true</tt> if this map contains a mapping for the specified
 464          key.</DL>
 465 </DD>
 466 </DL>
 467 <HR>
 468
 469 <A NAME="containsValue(java.lang.Object)"><!-- --></A><H3>
 470 containsValue</H3>
 471 <PRE>
 472 public boolean <B>containsValue</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A>&nbsp;value)</PRE>
 473 <DL>
 474 <DD><B>Description copied from interface: <CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/util/Map.html#containsValue(java.lang.Object)" title="class or interface in java.util">java.util.Map</A></CODE></B></DD>
 475 <DD>Returns <tt>true</tt> if this map maps one or more keys to the
 476  specified value.  More formally, returns <tt>true</tt> if and only if
 477  this map contains at least one mapping to a value <tt>v</tt> such that
 478  <tt>(value==null ? v==null : value.equals(v))</tt>.  This operation
 479  will probably require time linear in the map size for most
 480  implementations of the <tt>Map</tt> interface.
 481 <P>
 482 <DD><DL>
 483 <DT><B>Specified by:</B><DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/util/Map.html#containsValue(java.lang.Object)" title="class or interface in java.util">containsValue</A></CODE> in interface <CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/util/Map.html" title="class or interface in java.util">Map</A>&lt;<A HREF="../../../../com/google/common/collect/ForwardingMap.html" title="type parameter in ForwardingMap">K</A>,<A HREF="../../../../com/google/common/collect/ForwardingMap.html" title="type parameter in ForwardingMap">V</A>&gt;</CODE></DL>
 484 </DD>
 485 <DD><DL>
 486 <DT><B>Parameters:</B><DD><CODE>value</CODE> - value whose presence in this map is to be tested.
 487 <DT><B>Returns:</B><DD><tt>true</tt> if this map maps one or more keys to the
 488          specified value.</DL>
 489 </DD>
 490 </DL>
 491 <HR>
 492
 493 <A NAME="get(java.lang.Object)"><!-- --></A><H3>
 494 get</H3>
 495 <PRE>
 496 public <A HREF="../../../../com/google/common/collect/ForwardingMap.html" title="type parameter in ForwardingMap">V</A> <B>get</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A>&nbsp;key)</PRE>
 497 <DL>
 498 <DD><B>Description copied from interface: <CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/util/Map.html#get(java.lang.Object)" title="class or interface in java.util">java.util.Map</A></CODE></B></DD>
 499 <DD>Returns the value to which this map maps the specified key.  Returns
 500  <tt>null</tt> if the map contains no mapping for this key.  A return
 501  value of <tt>null</tt> does not <i>necessarily</i> indicate that the
 502  map contains no mapping for the key; it's also possible that the map
 503  explicitly maps the key to <tt>null</tt>.  The <tt>containsKey</tt>
 504  operation may be used to distinguish these two cases.
 505
 506  <p>More formally, if this map contains a mapping from a key
 507  <tt>k</tt> to a value <tt>v</tt> such that <tt>(key==null ? k==null :
 508  key.equals(k))</tt>, then this method returns <tt>v</tt>; otherwise
 509  it returns <tt>null</tt>.  (There can be at most one such mapping.)
 510 <P>
 511 <DD><DL>
 512 <DT><B>Specified by:</B><DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/util/Map.html#get(java.lang.Object)" title="class or interface in java.util">get</A></CODE> in interface <CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/util/Map.html" title="class or interface in java.util">Map</A>&lt;<A HREF="../../../../com/google/common/collect/ForwardingMap.html" title="type parameter in ForwardingMap">K</A>,<A HREF="../../../../com/google/common/collect/ForwardingMap.html" title="type parameter in ForwardingMap">V</A>&gt;</CODE></DL>
 513 </DD>
 514 <DD><DL>
 515 <DT><B>Parameters:</B><DD><CODE>key</CODE> - key whose associated value is to be returned.
 516 <DT><B>Returns:</B><DD>the value to which this map maps the specified key, or
 517                <tt>null</tt> if the map contains no mapping for this key.<DT><B>See Also:</B><DD><A HREF="http://java.sun.com/javase/6/docs/api/java/util/Map.html#containsKey(java.lang.Object)" title="class or interface in java.util"><CODE>Map.containsKey(Object)</CODE></A></DL>
 518 </DD>
 519 </DL>
 520 <HR>
 521
 522 <A NAME="put(java.lang.Object,java.lang.Object)"><!-- --></A><A NAME="put(K, V)"><!-- --></A><H3>
 523 put</H3>
 524 <PRE>
 525 public <A HREF="../../../../com/google/common/collect/ForwardingMap.html" title="type parameter in ForwardingMap">V</A> <B>put</B>(<A HREF="../../../../com/google/common/collect/ForwardingMap.html" title="type parameter in ForwardingMap">K</A>&nbsp;key,
 526              <A HREF="../../../../com/google/common/collect/ForwardingMap.html" title="type parameter in ForwardingMap">V</A>&nbsp;value)</PRE>
 527 <DL>
 528 <DD><B>Description copied from interface: <CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/util/Map.html#put(K, V)" title="class or interface in java.util">java.util.Map</A></CODE></B></DD>
 529 <DD>Associates the specified value with the specified key in this map
 530  (optional operation).  If the map previously contained a mapping for
 531  this key, the old value is replaced by the specified value.  (A map
 532  <tt>m</tt> is said to contain a mapping for a key <tt>k</tt> if and only
 533  if <A HREF="http://java.sun.com/javase/6/docs/api/java/util/Map.html#containsKey(java.lang.Object)" title="class or interface in java.util"><CODE>m.containsKey(k)</CODE></A> would return
 534  <tt>true</tt>.))
 535 <P>
 536 <DD><DL>
 537 <DT><B>Specified by:</B><DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/util/Map.html#put(K, V)" title="class or interface in java.util">put</A></CODE> in interface <CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/util/Map.html" title="class or interface in java.util">Map</A>&lt;<A HREF="../../../../com/google/common/collect/ForwardingMap.html" title="type parameter in ForwardingMap">K</A>,<A HREF="../../../../com/google/common/collect/ForwardingMap.html" title="type parameter in ForwardingMap">V</A>&gt;</CODE></DL>
 538 </DD>
 539 <DD><DL>
 540 <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.
 541 <DT><B>Returns:</B><DD>previous value associated with specified key, or <tt>null</tt>
 542                if there was no mapping for key.  A <tt>null</tt> return can
 543                also indicate that the map previously associated <tt>null</tt>
 544                with the specified key, if the implementation supports
 545                <tt>null</tt> values.</DL>
 546 </DD>
 547 </DL>
 548 <HR>
 549
 550 <A NAME="putAll(java.util.Map)"><!-- --></A><H3>
 551 putAll</H3>
 552 <PRE>
 553 public void <B>putAll</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/util/Map.html" title="class or interface in java.util">Map</A>&lt;? extends <A HREF="../../../../com/google/common/collect/ForwardingMap.html" title="type parameter in ForwardingMap">K</A>,? extends <A HREF="../../../../com/google/common/collect/ForwardingMap.html" title="type parameter in ForwardingMap">V</A>&gt;&nbsp;map)</PRE>
 554 <DL>
 555 <DD><B>Description copied from interface: <CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/util/Map.html#putAll(java.util.Map)" title="class or interface in java.util">java.util.Map</A></CODE></B></DD>
 556 <DD>Copies all of the mappings from the specified map to this map
 557  (optional operation).  The effect of this call is equivalent to that
 558  of calling <A HREF="http://java.sun.com/javase/6/docs/api/java/util/Map.html#put(K, V)" title="class or interface in java.util"><CODE>put(k, v)</CODE></A> on this map once
 559  for each mapping from key <tt>k</tt> to value <tt>v</tt> in the
 560  specified map.  The behavior of this operation is unspecified if the
 561  specified map is modified while the operation is in progress.
 562 <P>
 563 <DD><DL>
 564 <DT><B>Specified by:</B><DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/util/Map.html#putAll(java.util.Map)" title="class or interface in java.util">putAll</A></CODE> in interface <CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/util/Map.html" title="class or interface in java.util">Map</A>&lt;<A HREF="../../../../com/google/common/collect/ForwardingMap.html" title="type parameter in ForwardingMap">K</A>,<A HREF="../../../../com/google/common/collect/ForwardingMap.html" title="type parameter in ForwardingMap">V</A>&gt;</CODE></DL>
 565 </DD>
 566 <DD><DL>
 567 <DT><B>Parameters:</B><DD><CODE>map</CODE> - Mappings to be stored in this map.</DL>
 568 </DD>
 569 </DL>
 570 <HR>
 571
 572 <A NAME="keySet()"><!-- --></A><H3>
 573 keySet</H3>
 574 <PRE>
 575 public <A HREF="http://java.sun.com/javase/6/docs/api/java/util/Set.html" title="class or interface in java.util">Set</A>&lt;<A HREF="../../../../com/google/common/collect/ForwardingMap.html" title="type parameter in ForwardingMap">K</A>&gt; <B>keySet</B>()</PRE>
 576 <DL>
 577 <DD>Returns a set view of the keys contained in this map.  The set is
 578  backed by the map, so changes to the map are reflected in the set, and
 579  vice-versa.  If the map is modified while an iteration over the set is
 580  in progress (except through the iterator's own <tt>remove</tt>
 581  operation), the results of the iteration are undefined.  The set
 582  supports element removal, which removes the corresponding mapping from
 583  the map, via the <tt>Iterator.remove</tt>, <tt>Set.remove</tt>,
 584  <tt>removeAll</tt> <tt>retainAll</tt>, and <tt>clear</tt> operations.
 585  It does not support the add or <tt>addAll</tt> operations.
 586
 587  <p>The returned set's <code>removeAll</code> and <code>retainAll</code> methods
 588  always throw a <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/NullPointerException.html" title="class or interface in java.lang"><CODE>NullPointerException</CODE></A> when given a null collection.
 589 <P>
 590 <DD><DL>
 591 <DT><B>Specified by:</B><DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/util/Map.html#keySet()" title="class or interface in java.util">keySet</A></CODE> in interface <CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/util/Map.html" title="class or interface in java.util">Map</A>&lt;<A HREF="../../../../com/google/common/collect/ForwardingMap.html" title="type parameter in ForwardingMap">K</A>,<A HREF="../../../../com/google/common/collect/ForwardingMap.html" title="type parameter in ForwardingMap">V</A>&gt;</CODE></DL>
 592 </DD>
 593 <DD><DL>
 594
 595 <DT><B>Returns:</B><DD>a set view of the keys contained in this map.</DL>
 596 </DD>
 597 </DL>
 598 <HR>
 599
 600 <A NAME="values()"><!-- --></A><H3>
 601 values</H3>
 602 <PRE>
 603 public <A HREF="http://java.sun.com/javase/6/docs/api/java/util/Collection.html" title="class or interface in java.util">Collection</A>&lt;<A HREF="../../../../com/google/common/collect/ForwardingMap.html" title="type parameter in ForwardingMap">V</A>&gt; <B>values</B>()</PRE>
 604 <DL>
 605 <DD>Returns a collection view of the values contained in this map.  The
 606  collection is backed by the map, so changes to the map are reflected in
 607  the collection, and vice-versa.  If the map is modified while an
 608  iteration over the collection is in progress (except through the
 609  iterator's own <tt>remove</tt> operation), the results of the
 610  iteration are undefined.  The collection supports element removal,
 611  which removes the corresponding mapping from the map, via the
 612  <tt>Iterator.remove</tt>, <tt>Collection.remove</tt>,
 613  <tt>removeAll</tt>, <tt>retainAll</tt> and <tt>clear</tt> operations.
 614  It does not support the add or <tt>addAll</tt> operations.
 615
 616  <p>The returned collection's <code>removeAll</code> and <code>retainAll</code>
 617  methods always throw a <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/NullPointerException.html" title="class or interface in java.lang"><CODE>NullPointerException</CODE></A> when given a null
 618  collection.
 619 <P>
 620 <DD><DL>
 621 <DT><B>Specified by:</B><DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/util/Map.html#values()" title="class or interface in java.util">values</A></CODE> in interface <CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/util/Map.html" title="class or interface in java.util">Map</A>&lt;<A HREF="../../../../com/google/common/collect/ForwardingMap.html" title="type parameter in ForwardingMap">K</A>,<A HREF="../../../../com/google/common/collect/ForwardingMap.html" title="type parameter in ForwardingMap">V</A>&gt;</CODE></DL>
 622 </DD>
 623 <DD><DL>
 624
 625 <DT><B>Returns:</B><DD>a collection view of the values contained in this map.</DL>
 626 </DD>
 627 </DL>
 628 <HR>
 629
 630 <A NAME="entrySet()"><!-- --></A><H3>
 631 entrySet</H3>
 632 <PRE>
 633 public <A HREF="http://java.sun.com/javase/6/docs/api/java/util/Set.html" title="class or interface in java.util">Set</A>&lt;<A HREF="http://java.sun.com/javase/6/docs/api/java/util/Map.Entry.html" title="class or interface in java.util">Map.Entry</A>&lt;<A HREF="../../../../com/google/common/collect/ForwardingMap.html" title="type parameter in ForwardingMap">K</A>,<A HREF="../../../../com/google/common/collect/ForwardingMap.html" title="type parameter in ForwardingMap">V</A>&gt;&gt; <B>entrySet</B>()</PRE>
 634 <DL>
 635 <DD>Returns a set view of the mappings contained in this map.  Each element
 636  in the returned set is a <A HREF="http://java.sun.com/javase/6/docs/api/java/util/Map.Entry.html" title="class or interface in java.util"><CODE>Map.Entry</CODE></A>.  The set is backed by the
 637  map, so changes to the map are reflected in the set, and vice-versa.
 638  If the map is modified while an iteration over the set is in progress
 639  (except through the iterator's own <tt>remove</tt> operation, or through
 640  the <tt>setValue</tt> operation on a map entry returned by the iterator)
 641  the results of the iteration are undefined.  The set supports element
 642  removal, which removes the corresponding mapping from the map, via the
 643  <tt>Iterator.remove</tt>, <tt>Set.remove</tt>, <tt>removeAll</tt>,
 644  <tt>retainAll</tt> and <tt>clear</tt> operations.  It does not support
 645  the <tt>add</tt> or <tt>addAll</tt> operations.
 646
 647  <p>The returned set's <code>removeAll</code> and <code>retainAll</code> methods
 648  always throw a <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/NullPointerException.html" title="class or interface in java.lang"><CODE>NullPointerException</CODE></A> when given a null collection.
 649 <P>
 650 <DD><DL>
 651 <DT><B>Specified by:</B><DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/util/Map.html#entrySet()" title="class or interface in java.util">entrySet</A></CODE> in interface <CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/util/Map.html" title="class or interface in java.util">Map</A>&lt;<A HREF="../../../../com/google/common/collect/ForwardingMap.html" title="type parameter in ForwardingMap">K</A>,<A HREF="../../../../com/google/common/collect/ForwardingMap.html" title="type parameter in ForwardingMap">V</A>&gt;</CODE></DL>
 652 </DD>
 653 <DD><DL>
 654
 655 <DT><B>Returns:</B><DD>a set view of the mappings contained in this map.</DL>
 656 </DD>
 657 </DL>
 658 <HR>
 659
 660 <A NAME="equals(java.lang.Object)"><!-- --></A><H3>
 661 equals</H3>
 662 <PRE>
 663 public boolean <B>equals</B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A>&nbsp;obj)</PRE>
 664 <DL>
 665 <DD><B>Description copied from class: <CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html#equals(java.lang.Object)" title="class or interface in java.lang">java.lang.Object</A></CODE></B></DD>
 666 <DD>Indicates whether some other object is "equal to" this one.
 667  <p>
 668  The <code>equals</code> method implements an equivalence relation
 669  on non-null object references:
 670  <ul>
 671  <li>It is <i>reflexive</i>: for any non-null reference value
 672      <code>x</code>, <code>x.equals(x)</code> should return
 673      <code>true</code>.
 674  <li>It is <i>symmetric</i>: for any non-null reference values
 675      <code>x</code> and <code>y</code>, <code>x.equals(y)</code>
 676      should return <code>true</code> if and only if
 677      <code>y.equals(x)</code> returns <code>true</code>.
 678  <li>It is <i>transitive</i>: for any non-null reference values
 679      <code>x</code>, <code>y</code>, and <code>z</code>, if
 680      <code>x.equals(y)</code> returns <code>true</code> and
 681      <code>y.equals(z)</code> returns <code>true</code>, then
 682      <code>x.equals(z)</code> should return <code>true</code>.
 683  <li>It is <i>consistent</i>: for any non-null reference values
 684      <code>x</code> and <code>y</code>, multiple invocations of
 685      <tt>x.equals(y)</tt> consistently return <code>true</code>
 686      or consistently return <code>false</code>, provided no
 687      information used in <code>equals</code> comparisons on the
 688      objects is modified.
 689  <li>For any non-null reference value <code>x</code>,
 690      <code>x.equals(null)</code> should return <code>false</code>.
 691  </ul>
 692  <p>
 693  The <tt>equals</tt> method for class <code>Object</code> implements
 694  the most discriminating possible equivalence relation on objects;
 695  that is, for any non-null reference values <code>x</code> and
 696  <code>y</code>, this method returns <code>true</code> if and only
 697  if <code>x</code> and <code>y</code> refer to the same object
 698  (<code>x == y</code> has the value <code>true</code>).
 699  <p>
 700  Note that it is generally necessary to override the <tt>hashCode</tt>
 701  method whenever this method is overridden, so as to maintain the
 702  general contract for the <tt>hashCode</tt> method, which states
 703  that equal objects must have equal hash codes.
 704 <P>
 705 <DD><DL>
 706 <DT><B>Specified by:</B><DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/util/Map.html#equals(java.lang.Object)" title="class or interface in java.util">equals</A></CODE> in interface <CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/util/Map.html" title="class or interface in java.util">Map</A>&lt;<A HREF="../../../../com/google/common/collect/ForwardingMap.html" title="type parameter in ForwardingMap">K</A>,<A HREF="../../../../com/google/common/collect/ForwardingMap.html" title="type parameter in ForwardingMap">V</A>&gt;</CODE><DT><B>Overrides:</B><DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html#equals(java.lang.Object)" title="class or interface in java.lang">equals</A></CODE> in class <CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A></CODE></DL>
 707 </DD>
 708 <DD><DL>
 709 <DT><B>Parameters:</B><DD><CODE>obj</CODE> - the reference object with which to compare.
 710 <DT><B>Returns:</B><DD><code>true</code> if this object is the same as the obj
 711           argument; <code>false</code> otherwise.<DT><B>See Also:</B><DD><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html#hashCode()" title="class or interface in java.lang"><CODE>Object.hashCode()</CODE></A>,
 712 <A HREF="http://java.sun.com/javase/6/docs/api/java/util/Hashtable.html" title="class or interface in java.util"><CODE>Hashtable</CODE></A></DL>
 713 </DD>
 714 </DL>
 715 <HR>
 716
 717 <A NAME="hashCode()"><!-- --></A><H3>
 718 hashCode</H3>
 719 <PRE>
 720 public int <B>hashCode</B>()</PRE>
 721 <DL>
 722 <DD><B>Description copied from class: <CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html#hashCode()" title="class or interface in java.lang">java.lang.Object</A></CODE></B></DD>
 723 <DD>Returns a hash code value for the object. This method is
 724  supported for the benefit of hashtables such as those provided by
 725  <code>java.util.Hashtable</code>.
 726  <p>
 727  The general contract of <code>hashCode</code> is:
 728  <ul>
 729  <li>Whenever it is invoked on the same object more than once during
 730      an execution of a Java application, the <tt>hashCode</tt> method
 731      must consistently return the same integer, provided no information
 732      used in <tt>equals</tt> comparisons on the object is modified.
 733      This integer need not remain consistent from one execution of an
 734      application to another execution of the same application.
 735  <li>If two objects are equal according to the <tt>equals(Object)</tt>
 736      method, then calling the <code>hashCode</code> method on each of
 737      the two objects must produce the same integer result.
 738  <li>It is <em>not</em> required that if two objects are unequal
 739      according to the <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html#equals(java.lang.Object)" title="class or interface in java.lang"><CODE>Object.equals(java.lang.Object)</CODE></A>
 740      method, then calling the <tt>hashCode</tt> method on each of the
 741      two objects must produce distinct integer results.  However, the
 742      programmer should be aware that producing distinct integer results
 743      for unequal objects may improve the performance of hashtables.
 744  </ul>
 745  <p>
 746  As much as is reasonably practical, the hashCode method defined by
 747  class <tt>Object</tt> does return distinct integers for distinct
 748  objects. (This is typically implemented by converting the internal
 749  address of the object into an integer, but this implementation
 750  technique is not required by the
 751  Java<font size="-2"><sup>TM</sup></font> programming language.)
 752 <P>
 753 <DD><DL>
 754 <DT><B>Specified by:</B><DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/util/Map.html#hashCode()" title="class or interface in java.util">hashCode</A></CODE> in interface <CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/util/Map.html" title="class or interface in java.util">Map</A>&lt;<A HREF="../../../../com/google/common/collect/ForwardingMap.html" title="type parameter in ForwardingMap">K</A>,<A HREF="../../../../com/google/common/collect/ForwardingMap.html" title="type parameter in ForwardingMap">V</A>&gt;</CODE><DT><B>Overrides:</B><DD><CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html#hashCode()" title="class or interface in java.lang">hashCode</A></CODE> in class <CODE><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A></CODE></DL>
 755 </DD>
 756 <DD><DL>
 757
 758 <DT><B>Returns:</B><DD>a hash code value for this object.<DT><B>See Also:</B><DD><A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html#equals(java.lang.Object)" title="class or interface in java.lang"><CODE>Object.equals(java.lang.Object)</CODE></A>,
 759 <A HREF="http://java.sun.com/javase/6/docs/api/java/util/Hashtable.html" title="class or interface in java.util"><CODE>Hashtable</CODE></A></DL>
 760 </DD>
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