To register a source for an action event with a handler, use . source. setOnAction(handler) source. addOnAction(handler) source. setActionHandler(handler) source. addAction(handler)

the answer is b. executive summary. a management summary, or executive summary, is a short article or section of a document, produced for business purposes, that condenses a longer report or proposal or a group of related reports in such a way that readers can rapidly become familiar with a large body of material without having to read it all.