• 2022-06-14
    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]}
  • A,C,E

    内容

    • 0

      There is ________ map in the classroom. ________ map is on the wall. A: a ; A B: the ; The C: a ; The D: the ; A

    • 1

      We are going to discuss his suggestion that ______________________. A: everyone must have a map B: everyone has a map C: everyone have a map D: everyone had a map

    • 2

      平均动脉压的计算公式是() A: mAP=DBP+2/3(SBP-DBP) B: mAP=DBP+1/3(SBP-DBP) C: mAP=1/3(2SBP+DBP) D: mAP=2/3(SBP+2DBP) E: mAP=2DBP+1/3SBP

    • 3

      Which one is not a kind of mathematical features of the map? A: map projection B: vegetation C: contour line D: scale

    • 4

      List、Set、Map哪个继承自Collection接口,以下说法正确的是( )。 A: List Map B: Set Map C: List Set D: List Map Set