5)Utility types high-level languages may supply ready- made "real world"data types,for instance t times,dates and monetary values and memory,even where the language allows them to be built from primitive types. 17 DATA Copyright 2019 by Xiaoyu Li.Copyright © 2019 by Xiaoyu Li. 17 5）Utility types high-level languages may supply ready￾made "real world" data types, for instance times, dates and monetary values and memory, even where the language allows them to be built from primitive types