Question

What is abstract data type in data structure?

Answer 1

In computer science, an abstract data type (ADT) is a mathematical model for data types, where a data type is defined by its behavior (semantics) from the point of view of a user of thedata, specifically in terms of possible values, possible operations on data of this type, and the behavior of these operations.

Answer 2

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Abstract Data type (ADT) is a type (or class) for objects whose behaviour is defined by a set of value and a set of operations. Think of ADT as a black box which hides the inner structure and design of the data type. Now we'll define three ADTs namely List ADT, Stack ADT, Queue ADT.