问题:
Given:
11.<% java.util.Map map = new java.util.HashMap();
12.request.setAttribute("map", map);
13.map.put("a", "b");
14.map.put("b", "c");
15.map.put("c", "d"); %>
16.<%-- insert code here --%>
Which three EL expressions, inserted at line 16, are valid and evaluate to "d"?()
A . ${map.c}
B . ${map[c]}
C . ${map["c"]}
D . ${map.map.b}
E . ${map[map.b]}
Given:
11.<% java.util.Map map = new java.util.HashMap();
12.request.setAttribute("map", map);
13.map.put("a", "b");
14.map.put("b", "c");
15.map.put("c", "d"); %>
16.<%-- insert code here --%>
Which three EL expressions, inserted at line 16, are valid and evaluate to "d"?()
● 参考解析
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