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Answer (Choose 1 answer)
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Suppose we are considering a doubly linked list and p is some node in the list which has predecessor node.
Select the most correct java code snippet
that inserts new node with value x before the node p. (prev is a link to predecessor node).
A. Node f = p.prev;
Node q = new Node(x);
q.prev=f; q.next = p;
f.next=q;
B. Node f = p.prev;
Node q = new Node(x);
q.next=p;
f.next=q;
C. Node fp.prev;
Node q = new Node(x);
q.prev = f;
f.next q; p.prev = q;
D. Node f= p.prev;
Node q = new Node(x);
q.prev=f; q.next = p;
f.next=q; p.prev = q;
sh the exam.
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