Analyze the diagram and answer the following questions: (a) According to the diagram above, what sort of

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Analyze the diagram and answer the following questions:image text in transcribed

(a) According to the diagram above, what sort of messages are sent to the Weathervane object?

(b) How many Observation objects are created?

(c) Can a record() operation be called before its parameters have been set?

(d) What is the type of the self object?

(e) What is the name of the Weathervane object?

(f) In which class is the makeObservation() operation?

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