Titlebook: ;

宴会

https://doi.org/10.1007/978-1-349-22394-7ynchronously via their business logic and life cycle interfaces. EJB 2.0 introduced the message-driven EJB to rectify this problem, an EJB that is able to communicate with other EJBs and clients in an asynchronous manner.

粗糙

松鸡

The J2EE Tour platforms is described. Secondly, we deconstruct the J2EE to take a tour of its constituent technologies. These technologies are revisited in depth in subsequent chapters, but here our aim is to give you an overview before plunging into detail later in the book.