Which of the following operations is not part of the Dictionary ADT?

Question

BlackTom AI · Accepted Answer

Let's restate the problem to set the stage: the question asks which operation is not part of the Dictionary ADT, and we are given four options to evaluate.
Option a: add. In typical dictionary ADTs, adding a key-value pair is a fundamental operation, often referred to as insert or put. This option correctly corresponds to core dictionary functionality.
Option b: delete. Deletion of a key (and its associated value) is another essential operation in dictionary interfaces, enabling removal of entries when they are no longer needed.
Option c: search. Looking up whether a key exists or retrieving its value is central to a dictionary’s purpose, making search (or lookup) a standard operation.
Option d: rehash. Rehashing is a concept tied to the implementation of hash tables, where the underlying bucket array may be resized and hashed keys re-mapped. While a hash table might be used to implement a dictionary, rehash is an implementation detail rather than a defined operation of the Dictionary ADT itself. Therefore, this option does not belong to the abstract data type's interface and is not part of the Dictionary ADT.
In summary, the first three options align with the expected operations of a dictionary (insertion, deletion, lookup), whereas rehash serves as an internal maintenance operation of the underlying structure rather than a formal dictionary operation.

FIT1008-FIT1054-FIT2085_S2_2025 Week 7 Workshop Quiz

Which of the following operations is not part of the Dictionary ADT?

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FIT1008-FIT1054-FIT2085_S2_2025 Week 7 Workshop Quiz

Which of the following operations is not part of the Dictionary ADT?

View Explanation

Log in for full answers

Similar Questions

What statement accurately describes the difference between a list and a dictionary?

A data structure is a simple unit that consists of one chunk of data only.

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MutableMapping class provides concrete implementations for all behaviors other than the first five outlined earlier: 1._ 2._, 3.delitem, 4.len, and 5.iter. 2 essential methods are missing from this ADT, rest are there. Fill in the missing methods by selecting one of the choices.