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多項(xiàng)選擇題

Which two successfully translate and result in a value of true？（）

A. ${true or false}
B. ${requestScope[foo][0] > 500}
C. ${requestScope[“foo”][1] = 420}
D. ${（requestScope[“foo”][0] lt 50） && （3 gt 2）

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單項(xiàng)選擇題

Which EL expression， inserted at line 3 is valid and evaluated to “beanValue”？（）

A. ${bean}
B. ${value}
C. ${beanValue}
D. ${com.example.bean}
E. ${requestScope[“com.example.bean”]}
F. ${request.get（“com.example.bean”）.toString（）}

單項(xiàng)選擇題

Which method must be used to encode a URL passed as an argument to HttpServletResponse.sendRedirect when using URL rewriting for session tracking？（）

A. ServletResponse.encodeURL
B. HttpServletResponse.encodeURL
C. ServletResponse.encodeRedirectURL
D. HttpServletResponse.encodeRedirectURL