import com.higherfrequencytrading.collections.ConcurrentFastQueue; import com.higherfrequencytrading.collections.DirectBitSet; import com.higherfrequencytrading.collections.FastMap; ConcurrentFastQueue<String> queue = new ConcurrentFastQueue<>(); queue.offer("element1"); queue.offer("element2"); queue.offer("element3"); String element = queue.poll(); System.out.println("Removed element: " + element); DirectBitSet bitSet = new DirectBitSet(); bitSet.set(0); bitSet.set(2); bitSet.set(5); boolean isSet = bitSet.get(2); System.out.println("Bit 2 is set: " + isSet); FastMap<Integer, String> map = new FastMap<>(); map.put(1, "value1"); map.put(2, "value2"); map.put(3, "value3"); String value = map.get(2); System.out.println("Value for key 2: " + value);