Which client application could benefit from the use of a callback object?

Which client application could benefit from the use of a callback object?

Which client application could benefit from the use of a callback object?

A.
A Java Micro Edition application that notifies the user of a hanD. held computer when traffic
conditions have improved along a given freeway

B.
A Java applet that allows users to send an E. mail message to the quality control department

C.
A Java application used by police officers in the field to retrieve vehicle registration information
from a remote database by supplying a complete or partial license plate number

D.
A Java applet that retrieves a map image when given a street address



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