Answer:
The answer is action eventlistener
Explanation:
It is an event handler and it is easy to implement.In java we call them even listeners it is function or a sub routine or a procedure that waits for an event to occur and respond to an event from a GUI component.
The answer is A. The Ribbon is a UI component which was presented by Microsoft in Microsoft Office 2007. It is situated underneath the Quick Access Toolbar and the Title Bar. It includes seven tabs; Home, Insert, Page design, References, Mailing, Review and View. Every tab has particular gatherings of related summons.