For a non-empty linked list, select the code that should appear in a function th

Question

For a non-empty linked list, select the code that should appear in a function that adds a node to the end of the list. newPtr is a pointer to the new node to be added, and lastPtr is a pointer to the current last node. Each node contains a pointer nextPtr, a link to a node.

Question 25 options:

A) lastPtr->nextPtr = newPtr;lastPtr = newPtr;

B) (b) lastPtr = newPtr;lastPtr->nextPtr = newPtr;

C) (c) newPtr->nextPtr = lastPtr;lastPtr = newPtr;

D) (d) lastPtr = newPtr;newPtr->nextPtr = lastPtr;

A) lastPtr->nextPtr = newPtr;lastPtr = newPtr;

B) (b) lastPtr = newPtr;lastPtr->nextPtr = newPtr;

C) (c) newPtr->nextPtr = lastPtr;lastPtr = newPtr;

D) (d) lastPtr = newPtr;newPtr->nextPtr = lastPtr;

Explanation / Answer

Answer: A) lastPtr->nextPtr = newPtr;lastPtr = newPtr;

Option A is the right answer.

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