What's Abstract Data Type (ADT)?

Question

I learning ADT in university, but I don't understand how to create and what is. Is similar to a library (For example: <math.h>)?

Answer 1

An Abstract Data Type is a data type which provides only a basic interface without showing the implementation. Most C++ classes are abstract in that their provide functions but they implementation is kept hidden. you just call without knowing how it works...Abstract

Answer 2

Thunderbolt Oh thanks. I was confused, I think now I understand.