多项选择题 ForagivenServletResponseresponse，whichtworetrieveanobjectforwritingtextdata？（）

多项选择题 Given a header in an HTTP request：X-Retries：4 Which two retrieve the value of the header from a given HttpServletRequest request？（）

单项选择题 Your company has a corporate policy that prohibits storing a customer’s credit card number in any corporate database. However， users have complained that they do NOT want to re- enter their credit cardnumber for each transaction. Your management has decided to use client-side cookies to record the user’scredit card number for 120 days. Furthermore， they also want to protect this information during transit fromthe web browser to the web container； so the cookie must only be transmitted over HTTPS. Which codesnippet creates the "creditCard" cookie and adds it to the out going response to be stored on the user’s webbrowser？（）