Which UML Diagram is suitable ? Two object interacting, and one is changing the state of other
问题 My requirement : I want to come up with a suitable UML diagram based on the case which is described below. I need to know which UML will best suit this condition. The case : Two object A and B in the form of "Application Forms" interacts with each other.Certain event in object A triggers a state change of object B.Both object interacts with each other for a Use Case. I tried using State Diagram but it fails as here 2 object interact with each other to change the state of one object, whereas