Assume that a news tag library contains the tags lookup and item: Lookup Retrieves the latest news headlines and executes the tag body once for each headline. Exposed a NESTED page-scoped attribute called headline of type com.example. Headline containing details for that headline. Item Outputs the HTML for a single news headline. Accepts an attribute info of type com.example. Headline containing details for the headline to be rendered. Which snippet of JSP code returns the latest news deadlines in an HTLM table, one per row?()
A、 A
B、 B
C、 C
D、 D
具有3个结点的二叉树有( )。
A、2种形态
B、4种形态
C、7种形态
D、5种形态
What are two ways to create a rescue configuration on a J-series router?()
AUse the J-Web System > Rescue menu.
BUse the J-Web Configuration > Rescue menu.
CIssue the configure rescue save command.
DIssue the request system configuration rescue save command.
()、()是计算机系统软件的两个重要特点。
下列函数返回类型为数值型的是( )。
A、STR
B、VAL
C、DTOC
D、TTOC
Which the two are true regarding a web application class loader?()
AA web application may override the web container’s implementation classes
BA web application running in a J2EE product may override classes in the javax.* namespace
CA web application class loader may NOT override any classes in the java.* and javax.* namespace
DResources in the WAR class directory or in any of the JAR files within the library directory may be accessed using the J2SE semantics of getResource
EResources in the WAR class directory or in any of the JAR files within the library directory cannot be accessed using the J2SE semantics of getResource