多选题Given： String value = getServletContext（）.getInitParameter（"foo"）； in an HttpServlet and a web applicationdeployment descriptor that contains： foo frodo Which two are true？（）AThe foo initialization parameter CANNOT be set programmatically.BCompilation fails because getInitParameter returns type Object.CThe foo initialization parameter is NOT a servlet initialization parameter.DCompilation fails because ServletContext does NOT have a getInitParameter method.EThe foo parameter must be defined within the element of the deployment descriptor.
多选题
Given： String value = getServletContext（）.getInitParameter（"foo"）； in an HttpServlet and a web applicationdeployment descriptor that contains： foo frodo Which two are true？（）
A
The foo initialization parameter CANNOT be set programmatically.
B
Compilation fails because getInitParameter returns type Object.
C
The foo initialization parameter is NOT a servlet initialization parameter.
D
Compilation fails because ServletContext does NOT have a getInitParameter method.
E
The foo parameter must be defined within the
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