communication link Comparison Table

communication link comparison table

Subject exist between is a kind of correspond to has definition

symbol in collaboration diagram symbol

communication link two objects whenever it is possible for one object to send a message to the other one, including the following situations:
The classes of the two objects are joined by an association
The receiving object is stored in a local variable of the sending method (but the objects are not yet joined by an association)
A reference to the receiving object has been received as a parameter of an earlier message to the sender
The receiving object is global
The objects communicate over a network
symbol in collaboration diagram instances of associations (i.e. links) in a class diagram In a collaboration diagram, a line drawn between each pair of objects involved in the sending of a message

Subject	exist between	is a kind of	correspond to	has definition
symbol in collaboration diagram		symbol
communication link	two objects whenever it is possible for one object to send a message to the other one, including the following situations: The classes of the two objects are joined by an association The receiving object is stored in a local variable of the sending method (but the objects are not yet joined by an association) A reference to the receiving object has been received as a parameter of an earlier message to the sender The receiving object is global The objects communicate over a network	symbol in collaboration diagram	instances of associations (i.e. links) in a class diagram	In a collaboration diagram, a line drawn between each pair of objects involved in the sending of a message