多項(xiàng)選擇題

Which two are valid and equivalent？（）

A.<%! int i； %>
B.<%= int i； %>
C.<jsp：expr>int i；</jsp：expr>
D.<jsp：scriptlet>int i；</jsp：scriptlet>
E.<jsp：declaration>int i；</jsp：declaration>

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多項(xiàng)選擇題

In which three directories， relative to a web application’s root， may a tag library descriptor file reside whendeployed directly into a web application？（）

A./WEB-INF
B./META-INF
C./WEB-INF/tlds
D./META-INF/tlds
E./WEB-INF/resources
F./META-INF/resources

多項(xiàng)選擇題

Given that a scoped attribute cart exists only in a user’s session， which two，taken independently，ensurethe scoped attribute cart no longer exists？（）

A.${cart = null}
B.<c：remove var="cart" />
C.<c：remove var="${cart}" />
D.<c：remove var="cart" scope="session" />
E.<c：remove scope="session">cart</c：remove>

Which two are valid and equivalent？（）

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In which three directories， relative to a web application’s root， may a tag library descriptor file reside whendeployed directly into a web application？（）

Given that a scoped attribute cart exists only in a user’s session， which two，taken independently，ensurethe scoped attribute cart no longer exists？（）

Which two are valid and equivalent？（）

In which three directories， relative to a web application’s root， may a tag library descriptor file reside whendeployed directly into a web application？（）

Given that a scoped attribute cart exists only in a user’s session， which two，taken independently，ensurethe scoped attribute cart no longer exists？（）