| BlockingDeque (1) | Callable (1) | ConcurrentHashMap (2) | ConcurrentLinkedDeque (2) |
| ConcurrentSkipListMap (1) | CopyOnWriteArrayList (1) | CountDownLatch (3) | CyclicBarrier (2) |
| DelayQueue (1) | Exchanger (2) | Executors (13) | ForkJoinPool (10) |
| LinkedBlockingDeque (2) | LinkedTransferQueue (1) | Phaser (7) | PriorityBlockingQueue (2) |
| RecursiveTask (2) | ScheduledThreadPoolExecutor (1) | Semaphore (4) | ThreadFactory (2) |
| ThreadLocalRandom (3) | ThreadPoolExecutor (4) | TimeUnit (2) |