问题：

[多选]

Which two are true？ （）

A .  The foo initialization parameter CANNOT be set programmatically.
B .  Compilation fails because getlnitParameter returns type Object.
C .  The foo initialization parameter is NOT a servlet initialization parameter.
D .  Compilation fails because ServletContext does NOT have a getlnitParameter method.
E .  The foo parameter must de defined within the  element of the deployment  descriptor.
F .  The foo initialization parameter can also be retrievedusing getSErvletConfig（）.  GetlnitParameter （“foo”）.