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.
a)
lastPtr->nextPtr = newPtr;
lastPtr = newPtr;
b)
lastPtr = newPtr;
lastPtr->nextPtr = newPtr;
c)
newPtr->nextPtr = lastPtr;
lastPtr = newPtr;
d)
lastPtr = newPtr;
newPtr->nextPtr = lastPtr;
a)
lastPtr->nextPtr = newPtr;
lastPtr = newPtr;
Computer Science & Information Technology
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