单项选择题
A.Set the body content type to JSP in the TLD
B.Scriptlet code is NOT legal in the body of st：simple.
C.Add scripting-enabled="true" to the start tag for the st：simple element
D.Add a pass-through Classic tag with a body content type of JSP to the body of st：simple， and place the scriptlet code in the body of that tag
多项选择题 Given： 11.<% java.util.Map map = new java.util.HashMap（）； 12.request.setAttribute（"map"， map）； 13.map.put（"a"， "b"）； 14.map.put（"b"， "c"）； 15.map.put（"c"， "d"）； %> 16.<%-- insert code here --%> Which three EL expressions， inserted at line 16， are valid and evaluate to "d"？（）
单项选择题 You are building a dating web site. The client’s date of birth is collected along with lots of other information.You have created an EL function with the signature： calcAge（java.util.Date）：int and it is assigned to the name， age， in the namespace， funct. In one of your JSPsyou need to print a special message to clients who are younger than 25. Which EL code snippet will returntrue for this condition？（）
单项选择题 You are creating an error page that provides a user-friendly screen whenever a server exception occurs.You want to hide the stack trace， but you do want to provide the exception’s error message to the user sothe user can provide it to the customer service agent at your company. Which EL code snippet inserts thiserror message into the error page？（）