单选题Which retrieves the value associated with “foo” from within an HttpServlet？（）AString value = getServletConfig（ ）.getParameter（“foo”）；BString value = getServletContext（ ）.getAttribute（“foo”）；CObject value = getServletContext（ ）.getInitParameter（“foo”）；D
题目
单选题
Which retrieves the value associated with “foo” from within an HttpServlet？（）
A
String value = getServletConfig（ ）.getParameter（“foo”）；
B
String value = getServletContext（ ）.getAttribute（“foo”）；
C
Object value = getServletContext（ ）.getInitParameter（“foo”）；
D
String value = getServletContext（ ）.getInitParameter（“foo”）