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Why classes are known as abstract data types (ADT)?

5. Why classes are known as abstract data types (ADT)?

1. Because classes are user-defined data types
2. Because it supports the theory of hierarchical classification
3. Because it allows dynamic binding
4. Because it uses the concept of data abstraction

Answer: D) Because it uses the concept of data abstraction

Explanation:

Since classes use the concept of data abstraction therefore they are known as Abstract data types (ADT).