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.
Beginning with the 1.3 release of the Java EE platform, the JMS API has been an integral part of the platform, and application developers have been able to use messaging with Java EE components. The JMS API in the Java EE platform has the following features. 1  Application clients, Enterprise JavaBeans (EJB) components, and web components can send or synchronously receive a JMS message. 2  Message-driven beans, which are a kind of enterprise bean, enable the asynchronous consumption of messages.