单项选择题
A.<c：try catch="ex"><my：errorProne /></c：try>${ex.message}
B.<c：catch var="ex"><my：errorProne /></c：catch>${ex.message}
C.<c：try>. <my：errorProne />. </c：try>. <c：catch var="ex" />. ${ex.message}
D.<c：try>. <my：errorProne />. <c：catch var="ex" />. ${ex.message}. </c：try>
多项选择题 You are writing a JSP that includes scriptlet code to declare a List variable and initializes that variable to anArrayList object. Which two JSP code snippets can you use to import these list types？（）
多项选择题 You are creating a new JSP page and you need to execute some code that acts when the page is firstexecuted， but only once. Which three are possible mechanisms for performing this initialization code？（）
单项选择题 Given the element from the web application deployment descriptor： <jsp-property-group> <url-pattern>/main/page1.jsp</url-pattern> <scripting-invalid>true</scripting-invalid> </jsp-property-group> and given that /main/page1.jsp contains： <% int i = 12； %> <b><%= i %></b> What is the result？（）