A required interface can be shown in which of the following ways?
(a) To attach the stick of an interface socket symbol to a class or component
(b) To connect the class or component requiring the interface to an interface ball with a dependency arrow
(c) To connect the class or component to a stereotyped class symbol with a dependency arrow
(d) All of the mentioned
This question was addressed to me in homework.
The doubt is from Advanced UML Class Diagrams in chapter Unified Modelling Language of Software Architecture