Question: This question comes from Object-Oriented Data Structures Using Java Third Edition. 11. Dummy nodes are used to simplify list processing by eliminating some special cases.

This question comes from Object-Oriented Data Structures Using Java Third Edition. 11. Dummy nodes are used to simplify list processing by eliminating some special cases".

a. What special case is eliminated by a header node in a reference-based linked list?

b. What special case is eliminated by a trailer node in reference-based linked list?

c. Would dummy nodes be useful in implementing a linked stack? That is, would their use eliminate a special case?

d. Would dummy nodes be useful in implementing a linked queue with a reference to both header and trailer elements? e. Would dummy nodes be useful in implementing a circular linked queue?

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