Draw an abbreviated UML class diagram that contains all classes identified in the above two paragraphs, except for the Bug Runner class. Use appropriate composition (black diamond) and aggregation (hollow diamond) links. Include multiplicity symbols where one of the multiplicities might be greater than unity. For the relationship between Actor World and World Frame , use simple bidirectional association, like this:

 

Actor World Or use bidirectional dependence, like this: Actor World uses World Frame World Frame