1 Associations. 2  Associations between actors and use cases are indicated in use case diagrams by solid lines. 3  An association exists whenever an actor is involved with an interaction described by a use case.
Benefits of Volunteering. Volunteering supports the Exploratorium and promotes hands-on science, artistic expression, and educational innovation. Volunteers contribute to the community while gaining additional experience and new skills. They get to know each other at gatherings and special events and by sharing their ideas and experiences via an e-mail list.
The answer is âa little of both.â. In general terms, volunteering is simply the act of âvoluntarilyâ giving your time and energy to help a cause. Normally, the volunteer receives no tangible benefits from the work. Of course, there are exceptions. We call Peace Corps workers âvolunteer,â but they do in fact receive a salary and benefits.