However, the enormous difference exists between the actual demand of the technology offered in J2EE and business, Even if how at J2EE and system rational system have one a piece of basically, clear understandings by structure concrete applications.

• 然而,在J2EE所提供的技术和业务的实际需求之间还是存在着巨大的语义差别,就是如何对J2EE和具体应用领域系统的合理体系结构有一个基本而又清楚的理解。