Question

Assume you have a linked list with a reference named front that points to the first node in the list. What type of operation is being performed by the following Java method?

void op(int x) {
LinkedNode newNode = new LinkedNode(x);
if (front==null) {
    front = newNode;
    return;
}
LinkedNode cur = front;    
while(cur.next!=null)
        cur=cur.next;
    cur.next = newNode;
}

		Insertion at the front
		Insertion at the rear
		Deletion from the rear
		Deletion from the front

Answer 1

B) Insertion at the rear

Explanation:

Element insertion at rear end of linked list.