单项选择题
A. new InputStream（“/WEB-INF/nyressrc.bin”）；
B. ctx.getInputStream（“/WEB-INF/nyresrc.bin”）；
C. ctx.getresourceAsStream（“/WEB-INF/nyresrc.bin”）；
D. new InputStream（“/WEB-INF/nyresrc.bin”）；
E. getClass（）.getResourceAsStream（“/WEB-INF/nyresrc.bin”）；
多项选择题 Which three can be placed at line 23 to retrieve an existing HttpSession object？（）
单项选择题 AdeveloperfortheCompany.comwebsitehasbeentoldthatusersmayturnoffcookiesupportintheirbrowsers.Whatmustthedeveloperdotoensurethatthesecustomerscanstillusethewebapplication？（）
单项选择题 AJSPpage，current.jsp，iscreatedtodisplaythecurrentweatherreport.Theweatherreportiscontainedinaweather.htmlpagethatisrewritteneveryfiveminutes.Whichline，appearingincurrent.jsp，ensuresthatthemostrecentversionofweather.htmlisincludedwhenevercurrent.jspisreferenced？（）
