![]() ![]() Near the arrow, the name and parameters of the message are shown. The arrow originates at the sender and ends at the receiver. When a target sends a message to another target, it is shown as an arrow between their lifelines. Note that the text of a class is not underlined, which is how you can distinguish it from an object. shared or static methods in some programming languages) can be sent to a class. Note however that the 'Type' part designates the type of the elements and not the type of the collection itself. Its basic notation isĪgain, a name and/or type can be specified. When you want to show how a client interacts with the elements of a collection, you can use a multiobject. A shorter name carries the same amount of information and doesn't clutter the diagram (e.g. don't use 'aStudent' for an instance of type Student). Try to avoid long but non-descriptive names when you're also specifying the type of the object (e.g.
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