單項選擇題

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？（）

A. <load-on-startup/>
B. <load-on-startup>1</load-on-startup>
C. <load-on-startup>-1</load-on-startup>
D. <load-on-startup>true</load-on-startup>

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單項選擇題

Within a web application deployment descriptor， which maps the com.example.LoginServlet servlet to /utils/LoginServlet？（）

A.A
B.B
C.C
D.D

多項選擇題

Which three EL expressions， inserted at line 16， are valid and evaluate to “d”？（）

A. ${map.c}
B. ${map[c]}
C. ${map[“c”]}
D. ${map.map.b}
E. ${map[map.b]}
F. ${map.map（map.b）}