delete node sLL

 public void deletionOfNode(int location) {
        if (head == null) {
            System.out.println("the SLL does not exist");
            return;
        } else if (location == 0) {
            head = head.next;
            size--;
            if (size == 0) {
                tail = null;
            }
        } else if (location >= size) {
            Node tempNode = head;
            //node located before last one
            for (int i = 0; i < size - 1; i++) {
                tempNode = tempNode.next;
            }
            if (tempNode == head) {
                //we have only 1 element

                tail = head = null;
                size--;
                return;
                //we have 1 element
            }
            //we have more than 1 element
            tempNode.next = null;
            tail = tempNode;
            size--;
            //more than 1 element
        } else {
            Node tempNode = head;
            for (int i = 0; i < location - 1; i++) {
                tempNode = tempNode.next;
            }
            //setting node next reference to the node that is located next next to the node
            tempNode.next = tempNode.next.next;
            size--;
        }
    }