Cardinality Constraints
Let’s learn about cardinality constraints.
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A cardinality constraint requires that the cardinality of a multi-valued property’s value set is not less than a given minimum cardinality or not greater than a given maximum cardinality.
Cardinality constraints in UML
In UML, cardinality constraints are called multiplicity constraints, and minimum and maximum cardinalities are expressed with the lower bound and upper bound of the ...