以下关于J2EE应用服务器运行环境的叙述中，（ ）是正确的。
- A.容器是构件的运行环境
- B.构件是应用服务器提供的各种功能接口
- C.构件可以与系统资源进行交互
- D.服务是表示应用逻辑的代码
正确答案及解析
正确答案
解析
J2EE 应用服务器运行环境包括构件 (Component)、容器(Container)及服务 (Services)三部分。构件是表示应用逻辑的代码；容器是构件的运行环境；服务则是应用服务器提供的各种功能接口，可以同系统资源进行交互。由此可知， “容器是构件的运行环境”的叙述是正确的，其他答案选项中的叙述与上述概念的定义不符。
包含此试题的试卷
你可能感兴趣的试题
Advancements in （ ）have contributed to the growth of the automotive industry through the creation and evolution of self-driving vehicles.
-
- A.Artificial Intelligence
- B.Cloud Computing
- C.Internet of Things
- D.Big Data
- 查看答案
In project human resource management , （ ）is not a source of power for the project manager.
-
- A.referent power
- B.expert power
- C.reward power
- D.audit power
- 查看答案
At the project establishment stage , the feasibility study mainly includes techinical feasibility analysis , （ ）, operation environment feasibility analysis and other aspects of feasibility analysis.
-
- A.detail feasibility analysis
- B.opportunity analysis
- C.economic feasibility analysis
- D.risk analysis
- 查看答案
（ ）is a grid that shows the project resources assigned to each work package.
-
- A.Stakeholder engagement assessment matrix
- B.Requirements traceability matrix
- C.Probability and impact matrix
- D.Responsibility assignment matrix
- 查看答案
Xinhua News Agency reported in January 2022，Chian will further promote the developmet of a digital economy during the 14th Five-Year Plan eriod（2021-2025）. The plan also emphasized industrial （ ）transformation.
-
- A.digital
- B.networking
- C.intelligentize
- D.informatization
- 查看答案