Association (2/3)Multiplicity

• arbitrary number “ * ”

• a range is specified by means of “ .. ”

• possible numbers are separated by means of commas

exactly 1: 1

? 0: * (or 0..*)

0 ? 1: 0..1

fixed number (e.g. 3): 3

range (e.g. 3 or more): 3..*

range (e.g. 3-6): 3..6

enumeration (e.g. 3,6,7,8,9): 3, 6..9

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