单项选择题
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？（）
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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相关考题
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单项选择题
Within a web application deployment descriptor， which maps the com.example.LoginServlet servlet to /utils/LoginServlet？（）
A.A
B.B
C.C
D.D -
多项选择题
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）} -
单项选择题
GivenanELfunctionfoo，innamespacefunc，thatrequiresalongasaparameterandreturnsaMap，whichtwoarevalidinvocationsoffunctionfoo？（）
A. ${func（1）}
B. ${foo：func（4）}
C. ${func：foo（2）}
D. ${foo（5）：func}
E. ${func：foo（“easy”）}
F. ${func：foo（“3”）.name}
