Method insert

src/class035/Code07_AllO1.java:25–30

(Bucket cur, Bucket pos)

		}

		private void insert(Bucket cur, Bucket pos) {
			cur.next.last = pos;
			pos.next = cur.next;
			cur.next = pos;
			pos.last = cur;
		}

		private void remove(Bucket cur) {
			cur.last.next = cur.next;