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多项选择题在J2EE中,如果a是b的父类,b是c的父类,c是d的父类,它们都在包mypackage中。则以下正确的是()

A、 <jsp:userbean id=”mybean” scope=”page” class=”mypackage.d” type=”b”> 

B、 <jsp:userbean id=”mybean” scope=”page” class=”mypackage.d” type=”object”/> 

C、<jsp:userbean id=”mybean” scope=”page” class=”mypackage.d” type=”mypackage.a”/> 

D、<jsp:userbean id=”mybean” scope=”page” class=”mypackage.d” type=”a/”>

  • B,C
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