多项选择题
A.Add a doTag method
B.Add a doStartTag method
C.Add a getter and setter for the color attribute
D.Create and implement a TagExtraInfo class
E.Implement the DynamicAttributes interface
F.Add a getter and setter for the word1 and word2 attributes
多项选择题 Given an EL function declared with：11. <function> 12.<name>spin</name> 13.<function-class>com.example.Spinner</function-class> 14.<function-signature> 15.java.lang.String spinIt（） 16.</function-signature> 17.</function> Which two are true？（）
单项选择题 Given a web application in which the cookie userName is expected to contain the name of the user. Which EL expression evaluates to that user name？（）
多项选择题 Given： http：//com.example/myServlet.jsp？num=one&num=two&num=three. Which two produce the output"one， two and three"？（）
The h：highlight tag renders its body， highlighting an arbitrary number of words， each of which is passed asan attribute （word1， word2， ...）. For example， a JSP page can invoke theh：highlight tag as follows： 11. 12. high medium low 13.