Jaime has just written the following UML notation on the class diagram: 0..1. Which of the following relationships corresponds to what he has just noted?
A)An employee can have no direct reports or many direct reports.
B)An employee can have no spouse or one spouse.
C)An office manager manages one and only one office.
D)One order can include one or many items ordered.

Question

Quizplus · Accepted Answer

0..1 notation means that the attribute or relationship can have either 0 or 1 instances. In this case, option B matches perfectly as an employee can have no spouse or one spouse.

Jaime Has Just Written the Following UML Notation on the Class