Interaction Diagrams Sequence and Collaboration Diagram

• Both specify the same information

• However, each emphasizes different aspects 

  • sequence diagram is “temporally”-oriented
    • shows graphically the orderof messages
    • does not show how to getthe receiver object
  • collaboration diagram is “spatially”-oriented
    • shows the static and dynamic relationships betweenobjects - the context aspect
    • the order of messages is expressed bymeans of decimal classification only
    • time is no dimension on its own

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