The J2EE architecture is based on a four-tier layer model that characterizes a J2EE-compliant enterprise application.
J2EE体系结构是以一个4层模型为基础而建立的，该模型刻划了J2EE兼容的企业应用程序的特征。
Then it expounds the J2EE standard used in developing enterprise level application system based on multi-layer software architecture and related technology contained in it.
然后介绍了基于多层软件体系结构的企业级应用系统开发规范J2EE，对该规范的相关技术进行了说明。
CORBA is excellent in isomerous environments and becomes an important technique for enterprise multi-layer application system.
CORBA在异构环境下极具优势，已成为开发企业级多层应用系统的主要技术之一。
应用推荐