You need to create a servlet filter that stores all request headers to a database for all requests to
the web application’s home page “/index.jsp”. Which HttpServletRequest method allows you to
retrieve all of the request headers?
A.
String[] getHeaderNames()
B.
String[] getRequestHeaders()
C.
java.util.Iterator getHeaderNames()
D.
java.util.Iterator getRequestHeaders()
E.
java.util.Enumeration getHeaderNames()
F.
java.util.Enumeration getRequestHeaders()
Explanation: