Dusk vs Dawn. Dusk and dawn are actually opposite times of the day. The former refers to the time before night starts while the latter refers to the time just before the night ends. There is no specific time for them, however, as sunrise and sunset occurs differently everyday. Dusk.
What is JMS? Java Message Service (JMS) is an application program interface (API) from Sun Microsystems that supports the messaging communication between computers / applications / software components in a network.
Java Message Service Concepts. This chapter provides an introduction to the Java Message Service (JMS) API, a Java API that allows applications to create, send, receive, and read messages using reliable, asynchronous, loosely coupled communication. It covers the following topics: