1. A linked list does not need to have a pointer that points to the first...
1. A linked list does not need to have a pointer that points to the first node of the list. True or False?
2. A linked list needs to have a pointer to point to the last node of the list. True or False?
3. If "head" is the only pointer that points to the first node of a linked list, to traverse the list, you should move the head pointer to each node one at a time. True or False?
Please explain your reasoning. (C++)
Homework Answers
1. False
In linked list all node are interconnected with each other and inorder to access any node we first need to traverse to that need. So if we are not have any reference node then how we will traverse to that node.
2. False
without having a pointer which point to last node we can implement all functionality of linked list
3. False
we should declare another pointer which should point to the first node(and it can we done by copy the address of contained in head pointer to new pointer) and then we should move the new pointer inorder to traverse the list. If we do not follow these methods then we will lose track of first node.
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void insertNode(string first_name, string last_name, string phoneNumber)
{
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newNode = new ContactNode;
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