A semaphore can be used to control thread access to a resource. A latch allows one or more threads to wait until a set of operations being performed in other t

A semaphore can be used to control thread access to a resource. A latch allows one or more threads to wait until a set of operations being performed in other threads completes [0]. [0] https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/CountDownLatch.html https://docs.oracle.com/javase/8/docs/api/java/util/concurre...