多项选择题
Given: http://com.example/myServlet.jsp?num=one&num=two&num=three.
Which two produce the output"one, two and three"?()
A.${param.num[0],[1] and [2]}
B.${paramValues[0],[1] and [2]}
C.${param.num[0]}, ${param.num[1]} and ${param.num[2]}
D.${paramValues.num[0]}, ${paramValues.num[1]} and ${paramValues.num[2]}
E.${paramValues["num"][0]}, ${paramValues["num"][1]} and ${paramValues["num"][2]}
相关考题
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多项选择题
Given: 11.<% java.util.Map map = new java.util.HashMap(); 12.request.setAttribute("map", map); 13.map.put("a", "true"); 14.map.put("b", "false"); 15.map.put("c", "42"); %> Which three EL expressions are valid and evaluate to true?()
A.${not map.c}
B.${map.d or map.a}
C.${map.a and map.d}
D.${map.false or map.true}
E.${map.a and map.b or map.a} -
多项选择题
Given: 11.<% 12.request.setAttribute("vals", new String[]{"1","2","3","4"}); 13.request.setAttribute("index", "2"); 14.%> 15.<%-- insert code here --%> Which three EL expressions, inserted at line 15,are valid and evaluate to "3"?()
A.${vals.2}
B.${vals["2"]}
C.${vals.index}
D.${vals[index]}
E.${vals}[index]
F.${vals[vals[index-1]]} -
多项选择题
Whichtwoaretrueaboutauthentication?()
A.Form-based logins should NOT be used with HTTPS.
B.When using Basic Authentication the target server is NOT authenticated.
C.J2EE compliant web containers are NOT required to support the HTTPS protocol.
D.Web containers are required to support unauthenticated access to unprotected web resources.
