A developer is designing the presentation tier for a web application that relies on a complex session bean.The session bean is still being developed and the APIs for it are NOT finalized. Any changes to the sessionbean API directly impacts the development of the presentation tier. Which design pattern provides a meansto manage the uncertainty in the API?()
A: View Helper
B: Front Controller
C: Composite View
D: Intercepting Filter
E: Business Delegate
A: View Helper
B: Front Controller
C: Composite View
D: Intercepting Filter
E: Business Delegate
举一反三
- Which of the following is the name of the Core J2EE tier? A: Business B: Integration C: Presentation D: All of the above
- In an n-tier application, which two invocations are typically remote, not local?() A: JSP to Transfer Object B: Service Locator to JNDI C: Controller to request object D: Transfer Object to Entity Bean E: Controller to Business Delegate
- 阅读下面代码片段: A: application范围的Bean B: request范围的Bean C: page范围的Bean D: session范围的Bean
- Which of the following is not a system privilege?() A: SELECT B: UPDATE ANY C: CREATE VIEW D: CREATE SESSION
- 以下对象中,()是JSP的内置对象 A: request B: session C: application D: bean