class diagram .violet

这是我修读美国卡耐基梅隆大学Carnegie Mellon University（CMU）课程ssd3:Object-Oriented Programming and Design时完成的课程设计

    <void property="name"> 
     <void property="text"> 
      <string>HTMLSalesFormatter</string> 
     </void> 
    </void> 
   </object> 
   <object class="java.awt.geom.Point2D$Double"> 
    <void method="setLocation"> 
     <double>430.0</double> 
     <double>360.0</double> 
    </void> 
   </object> 
  </void> 
  <void method="addNode"> 
   <object id="ClassNode10" class="com.horstmann.violet.ClassNode"> 
    <void property="attributes"> 
     <void property="text"> 
      <string>&lt;u&gt;-NEW_LINE:String&lt;/u&gt;
-singletonInstance:XMLSalesFormatter</string> 
     </void> 
    </void> 
    <void property="methods"> 
     <void property="text"> 
      <string>+getSingletonInstance():XMLSalesFormatter 
+formatSales(sales:Sales):String</string> 
     </void> 
    </void> 
    <void property="name"> 
     <void property="text"> 
      <string>XMLSalesFormatter</string> 
     </void> 
    </void> 
   </object> 
   <object class="java.awt.geom.Point2D$Double"> 
    <void method="setLocation"> 
     <double>720.0</double> 
     <double>360.0</double> 
    </void> 
   </object> 
  </void> 
  <void method="addNode"> 
   <object id="ClassNode11" class="com.horstmann.violet.ClassNode"> 
    <void property="methods"> 
     <void property="text"> 
      <string>+DataFormatException( )
+DataFormatException(messageString)</string> 
     </void> 
    </void> 
    <void property="name"> 
     <void property="text"> 
      <string>DataFormatException</string> 
     </void> 
    </void> 
   </object> 
   <object class="java.awt.geom.Point2D$Double"> 
    <void method="setLocation"> 
     <double>350.0</double> 
     <double>10.0</double> 
    </void> 
   </object> 
  </void> 
  <void method="connect"> 
   <object class="com.horstmann.violet.ClassRelationshipEdge"> 
    <void property="bentStyle"> 
     <object class="com.horstmann.violet.BentStyle" field="HVH"/> 
    </void> 
    <void property="endArrowHead"> 
     <object class="com.horstmann.violet.ArrowHead" field="V"/> 
    </void> 
    <void property="endLabel"> 
     <string>0..*</string> 
    </void> 
    <void property="middleLabel"> 
     <string>-products</string> 
    </void> 
    <void property="startLabel"> 
     <string>1</string> 
    </void> 
   </object> 
   <object idref="ClassNode0"/> 
   <object idref="ClassNode1"/> 
  </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> 
   </object> 
   <object idref="ClassNode3"/> 
   <object idref="ClassNode1"/> 
  </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> 
   </object> 
   <object idref="ClassNode2"/> 
   <object idref="ClassNode1"/> 
  </void> 
  <void method="connect"> 
   <object class="com.horstmann.violet.ClassRelationshipEdge"> 
    <void property="bentStyle"> 
     <object class="com.horstmann.violet.BentStyle" field="HVH"/> 
    </void> 
    <void property="endArrowHead"> 
     <object class="com.horstmann.violet.ArrowHead" field="V"/> 
    </void> 
    <void property="endLabel"> 
     <string>1</string> 
    </void> 
    <void property="middleLabel"> 
     <string>-product</string> 
    </void> 
    <void property="startLabel"> 
     <string>1</string> 
    </void> 
   </object> 
   <object idref="ClassNode4"/> 
   <object idref="ClassNode1"/> 
  </void> 
  <void method="connect"> 
   <object class="com.horstmann.violet.ClassRelationshipEdge"> 
    <void property="bentStyle"> 
     <object class="com.horstmann.violet.BentStyle" field="HVH"/> 
    </void> 
    <void property="endArrowHead"> 
     <object class="com.horstmann.violet.ArrowHead" field="V"/> 
    </void> 
    <void property="endLabel"> 
     <string>0..*</string> 
    </void> 
    <void property="middleLabel"> 
     <string>-orders</string> 
    </void> 
    <void property="startLabel"> 
     <string>1</string> 
    </void> 
   </object> 
   <object idref="ClassNode5"/> 
   <object idref="ClassNode6"/> 
  </void> 
  <void method="connect"> 
   <object class="com.horstmann.violet.ClassRelationshipEdge"> 
    <void property="bentStyle"> 
     <object class="com.horstmann.violet.BentStyle" field="HVH"/> 
    </void> 
    <void property="endArrowHead"> 
     <object class="com.horstmann.violet.ArrowHead" field="V"/> 
    </void> 
    <void property="endLabel"> 
     <string>0..*</string> 
    </void> 
    <void property="middleLabel"> 
     <string>-items</string> 
    </void> 
    <void property="startLabel"> 
     <string>1</string> 
    </void> 
   </object> 
   <object idref="ClassNode6"/> 
   <object idref="ClassNode4"/> 
  </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="ClassNode7"/> 
   <object idref="InterfaceNode0"/> 
  </void> 
  <void method="connect"> 
   <object class="com.horstmann.violet.ClassRelationshipEdge"> 
    <void property="bentStyle"> 
     <object class="com.horstmann.violet.BentStyle" field="HVH"/> 
    </void> 
    <void property="endArrowHead"> 
     <object class="com.horstmann.violet.ArrowHead" field="V"/> 
    </void> 
   </object> 
   <object idref="ClassNode0"/> 
   <object idref="InterfaceNode0"/> 
  </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="ClassNode10"/> 
   <object idref="InterfaceNode1"/> 
  </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="ClassNode9"/> 
   <object idref="InterfaceNode1"/> 
  </void> 
  <void method="connect"> 
   <object class="com.horstmann.violet.ClassRelationshipEdge"> 
    <void property="bentStyle"> 
     <object class="com.horstmann.violet.BentStyle" field="HVH"/> 
    </void> 
    <void property="endArrowHead"> 
     <object class="com.horstmann.violet.ArrowHead" field="V"/> 
    </void> 
   </object> 
   <object idref="PackageNode0"/> 
   <object idref="ClassNode11"/> 
  </void> 
  <void method="connect"> 
   <object class="com.horstmann.violet.ClassRelationshipEdge"> 
    <void property="bentStyle"> 
     <object class="com.horstmann.violet.BentStyle" field="HVH"/> 
    </void> 
    <void property="endArrowHead"> 
     <object class="com.horstmann.violet.ArrowHead" field="V"/> 
    </void> 
   </object> 
   <object idref="InterfaceNode1"/> 
   <object idref="ClassNode11"/> 
  </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="ClassNode8"/> 
   <object idref="InterfaceNode1"/> 
  </void> 
  <void method="connect"> 
   <object class="com.horstmann.violet.ClassRelationshipEdge"> 
    <void property="bentStyle"> 
     <object class="com.horstmann.violet.BentStyle" field="HVH"/> 
    </void> 
    <void property="endArrowHead"> 
     <object class="com.horstmann.violet.ArrowHead" field="V"/> 
    </void> 
    <void property="endLabel"> 
     <string>1</string> 
    </void> 
    <void property="middleLabel"> 
     <string>-salesFormatter</string> 
    </void> 
    <void property="startLabel"> 
     <string>1</string> 
    </void> 
   </object> 
   <object idref="PackageNode0"/> 
   <object idref="InterfaceNode1"/> 
  </void> 
  <void method="connect"> 
   <object class="com.horstmann.violet.ClassRelationshipEdge"> 
    <void property="bentStyle"> 
     <object class="com.horstmann.violet.BentStyle" field="HVH"/> 
    </void> 
    <void property="endArrowHead"> 
     <object class="com.horstmann.violet.ArrowHead" field="V"/> 
    </void> 
   </object> 
   <object idref="PackageNode0"/> 
   <object idref="InterfaceNode0"/> 
  </void> 
  <void method="connect"> 
   <object class="com.horstmann.violet.ClassRelationshipEdge"> 
    <void property="bentStyle"> 
     <object class="com.horstmann.violet.BentStyle" field="HVH"/> 
    </void> 
    <void property="endArrowHead"> 
     <object class="com.horstmann.violet.ArrowHead" field="V"/> 
    </void> 
    <void property="endLabel"> 
     <string>1</string> 
    </void> 
    <void property="middleLabel"> 
     <string>-catalog</string> 
    </void> 
    <void property="startLabel"> 
     <string>1</string> 
    </void> 
   </object> 
   <object idref="PackageNode0"/> 
   <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="endArrowHead"> 
     <object class="com.horstmann.violet.ArrowHead" field="V"/> 
    </void> 
    <void property="middleLabel"> 
     <string>sales</string> 
    </void> 
   </object> 
   <object idref="PackageNode0"/> 
   <object idref="ClassNode5"/> 
  </void> 
  <void method="connect"> 
   <object class="com.horstmann.violet.ClassRelationshipEdge"> 
    <void property="bentStyle"> 
     <object class="com.horstmann.violet.BentStyle" field="HVH"/> 
    </void> 
    <void property="endArrowHead"> 
     <object class="com.horstmann.violet.ArrowHead" field="V"/> 
    </void> 
   </object> 
   <object idref="PackageNode0"/> 
   <object idref="ClassNode6"/> 
  </void> 
 </object> 
</java>