JSP 面试题与答案

Question: Why does JComponent have add() and remove() methods but Component does not? because JComponent is a subclass of Container, and can contain other components and jcomponents. How can I implement a thread-safe JSP page?

Answer: You can make your JSPs thread-safe by having them implement the SingleThreadModel interface. This is done by adding the directive



<%@ page isThreadSafe="false" % > within your JSP page.