Question: a) Provide an algorithm/pseudocode for finding the penultimate (second-last) node in a doubly linked list where the last node is indicated by a null next

a) Provide an algorithm/pseudocode for finding the penultimate (second-last) node in a doubly linked list where the last node is indicated by a null next reference (Java)

b) Provide an algorithm/pseudocode to find the th last element of a singly linked list starting with only the header sentinel (Java)

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