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Which of the following is the code to insert a new node, referenced by newNode, into an empty queue implemented by a SinglyLinkedList with a
Which of the following is the code to insert a new node, referenced by newNode, into an empty queue implemented by a SinglyLinkedList with a head and tail references?
A) newNode.next = tail; head = newNode; tail = newNode;
B) newNode.next = tail; newNode = tail; newNode = head;
C) head. next = newNode; tail = newNode;
D) tail.next = tail; tail = newNode; head = newNode;
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