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1
What is the result？（）

2 Which element， defined as a child of a element in the web application deployment descriptor， guarantees a servlet will be initialized at the time the application is deployed？（）

3 Given an HttpServletRequest request， which retrieves an object of type Account with an Id of “account”？（）

4
And command line is vacation： Java Test red green blue（）

5
What is the result？（）

SCDCD(310-081)單項(xiàng)選擇題每日一練(2019.01.18)