<?xml version="1.0" encoding="UTF-8"?> <java version="1.4.0_01" class="java.beans.XMLDecoder">  <object class="com.horstmann.violet.ClassDiagramGraph">   <void method="add">    <object id="ClassNode0" class="com.horstmann.violet.ClassNode">     <void property="methods">      <void property="text">       <string>attach(Observer)detach(Observer)</string>      </void>     </void>     <void property="name">      <void property="text">       <string>Subject</string>      </void>     </void>    </object>    <object class="java.awt.geom.Point2D$Double">     <double>110.0</double>     <double>60.0</double>    </object>   </void>   <void method="add">    <object id="InterfaceNode0" class="com.horstmann.violet.InterfaceNode">     <void property="name">      <void property="text">       <string>蘆interface祿Observer</string>      </void>     </void>    </object>    <object class="java.awt.geom.Point2D$Double">     <double>300.0</double>     <double>70.0</double>    </object>   </void>   <void method="add">    <object id="ClassNode1" class="com.horstmann.violet.ClassNode">     <void property="name">      <void property="text">       <string>ConcreteObserver</string>      </void>     </void>    </object>    <object class="java.awt.geom.Point2D$Double">     <double>310.0</double>     <double>220.0</double>    </object>   </void>   <void method="connect">    <object class="com.horstmann.violet.ClassRelationshipEdge">     <void property="bentStyle">      <object class="com.horstmann.violet.BentStyle" field="VHV"/>     </void>     <void property="endArrowHead">      <object class="com.horstmann.violet.ArrowHead" field="TRIANGLE"/>     </void>     <void property="lineStyle">      <object class="com.horstmann.violet.LineStyle" field="DOTTED"/>     </void>    </object>    <object idref="ClassNode1"/>    <object idref="InterfaceNode0"/>   </void>   <void method="connect">    <object class="com.horstmann.violet.ClassRelationshipEdge">     <void property="bentStyle">      <object class="com.horstmann.violet.BentStyle" field="HV"/>     </void>     <void property="endArrowHead">      <object class="com.horstmann.violet.ArrowHead" field="V"/>     </void>     <void property="lineStyle">      <object class="com.horstmann.violet.LineStyle" field="DOTTED"/>     </void>    </object>    <object idref="ClassNode1"/>    <object idref="ClassNode0"/>   </void>   <void method="connect">    <object class="com.horstmann.violet.ClassRelationshipEdge">     <void property="bentStyle">      <object class="com.horstmann.violet.BentStyle" field="HVH"/>     </void>     <void property="startArrowHead">      <object class="com.horstmann.violet.ArrowHead" field="DIAMOND"/>     </void>    </object>    <object idref="ClassNode0"/>    <object idref="InterfaceNode0"/>   </void>  </object> </java>