【单选题】对于以下标签[br][/br]它与下列哪个选项中的Java程序片段等价 A: %CounterBean myBean=(CounterBean)request.getAttribute(“myBean”);if(myBean==null)myBean = new CounterBean();% B: %CounterBean myBean=(CounterBean)request.getAttribute(“myBean”);if(myBean==null){myBean = new CounterBean();request.setAttribute(“CounterBean”,myBean);}% C: %CounterBean myBean=(CounterBean)request.getAttribute(“myBean”);if(myBean==null){myBean = new CounterBean();request.setAttribute(“myBean”,myBean);}% D: %CounterBean myBean=new CounterBean();request.setAttribute(“myBean”,myBean);%

假设在Spring配置文件中有这样的配置信息<;bean id="foo" class="com.spring.Foo"/>;则要创建一个Spring Bean的正确用法是？ A: MyBean myBean = (MyBean)factory.getBean("foo"); B: MyBean myBean = (MyBean)factory.getBean("com.spring.Foo"); C: MyBean myBean = (MyBean)factory.newBean("foo"); D: MyBean myBean = (MyBean)factory.newBean("com.spring.Foo");

在JSP页面中，（）可以正确引入JavaBean。 A: <%jsp: useBean id =”myBean” scope =”page” class=”pkg.MyBean” %> B: <jsp: useBean name =”myBean” scope =”page” class=”pkg.MyBean” > C: <jsp: useBean id =”myBean” scope =”page” class=”pkg.MyBean” /> D: <jsp: useBean name =”myBean” scope =”page” class=”pkg.MyBean” />

在JSP中想要使用JavaBean:mypackage.mybean,则以下写法正确的是() A: ”mybean”scope=”pageContext”class=”mypackage.mybean”/> B: <jsp:useBeanclass=”mypackage.mybean.class”/> C: ”mybean”class=”mypackage.mybean.java”> D: ”mybean”class=”mypackage.mybean”/>

在JSP页面中，正确引入JavaBean的是（） A: <%jsp: useBean id =”myBean” scope =”page” class=”pkg.MyBean” %>   B: <jsp: useBean name=”myBean” scope =”page” class=”pkg.MyBean” >   C: <jsp: useBean id =”myBean” scope =”page” class=”pkg.MyBean” />  D: <jsp: useBean name=”myBean” scope =”page” class=”pkg.MyBean” />

在JSP中想要使用JavaBean:mypackage.mybean,则以下写法正确的是()（选择一项） A: <;jsp:usebeanid=”mybean”scope=”pageContext”class=”mypackage.mybean”/>; B: <;jsp:useBeanclass=”mypackage.mybean.class”/>; C: <;jsp:usebeanid=”mybean”class=”mypackage.mybean.java”>; D: <;jsp:useBeanid=”mybean”class=”mypackage.mybean”/>;

​在JSP页面中，正确引入JavaBean的是（）。‍ 未知类型：{'options': ['&#91;%jsp: useBean id ="myBean” scope ="page” class="pkg.MyBean" %&#93;', '&#91;jsp: useBean name ="myBean” scope ="page” class="pkg.MyBean"&#93;', '&#91;jsp: useBean id ="myBean” scope ="page” class="pkg.MyBean”/&#93;', '&#91;jsp: useBean name ="myBean” scope ="page” class="pkg.MyBean”/&#93;'], 'type': 102}

在JSP页面中，正确引入JavaBean的是（）。 A: &lt;%jsp: useBean id =&quot;myBean” scope =&quot;page” class=&quot;pkg.MyBean&quot; %&gt; B: &lt;jsp: useBean name =&quot;myBean” scope =&quot;page” class=&quot;pkg.MyBean&quot;&gt; C: &lt;jsp: useBean id =&quot;myBean” scope =&quot;page” class=&quot;pkg.MyBean”/&gt; D: &lt;jsp: useBean name =&quot;myBean” scope =&quot;page” class=&quot;pkg.MyBean”/&gt;

给定TheBean类，假设还没有创建TheBean类的实例，以下哪些JSP动作语句能创建这个bean的一个新实例，并把它存储在请求作用域（） A:  <jsp :useBean name=\"myBean\" type=\"com.example.TheBean\"/>  \n B:  <jsp :takeBean name=\"myBean\" type=\"com.example.TheBean\"/>   \n C:  <jsp :useBean id=\"myBean\" class=\"com.example.TheBean\" scope=\"request\"/> \n D:  <jsp :takeBean id=\"myBean\" class=\"com.example.TheBean\" scope=\"request\"/>

如果a是b的父类,b是c的父类,c是d的父类,他们都在包中。则以下正确的是_____。 A: ＜jsp:usebeanid="mybean"scope="page"class="mypackage.d"type="b"＞ B: ＜jsp:usebeanid="mybean"scope="page"class="mypackage.d"type="c"/＞ C: ＜jsp:usebeanid="mybean"scope="page"class="mypackage.d"type="mypackage.a"/＞ D: ＜jsp:usebeanid="mybean"scope="page"class="mypackage.d"type="a"/＞