Assume a tag handler extends TagSupport. Which is used within the tag handler to get an attribute “foo” that is in the application scope?()A、 pageContext.getAttribute(“foo”);B、 getPageContext().getAttribute(“foo”);C、 pageContext.getApplicationScope(“foo”)

题目

Assume a tag handler extends TagSupport. Which is used within the tag handler to get an attribute “foo” that is in the application scope?()

  • A、 pageContext.getAttribute(“foo”);
  • B、 getPageContext().getAttribute(“foo”);
  • C、 pageContext.getApplicationScope(“foo”);
  • D、 pageContext.getAttribute(“foo”,pageContext.APPLICATION_SCOPE).getAttribute(“foo”);
  • E、 getPageContext().getScope(pageContext.APPLICATION_SCOPE).getAttribute(“foo”);

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更多“Assume a tag handler extends TagSupport. Which is used within the tag handler to get an attribute “foo” that is in the application scope?()A、 pageContext.getAttribute(“foo”);B、 getPageContext().getAttribute(“foo”);C、 pageContext.getApplicationScope(“foo”)”相关问题
  • 第1题:

    class One {  void foo() {}  }  class Two extends One {   //insert method here  }  Which three methods, inserted individually at line 14, will correctly complete class Two?()

    • A、 int foo() { /* more code here */ }
    • B、 void foo() { /* more code here */ }
    • C、 public void foo() { /* more code here */ }
    • D、 private void foo() { /* more code here */ }
    • E、 protected void foo() { /* more code here */ }

    正确答案:B,C,E

  • 第2题:

    Which JSP standard action can be used to import content from a resource called foo.jsp?()

    • A、<jsp:import file=’foo.jsp’ />
    • B、<jsp:import page=’foo.jsp’ />
    • C、<jsp:include page=’foo.jsp’ />
    • D、<jsp:include file=’foo.jsp’ />

    正确答案:C

  • 第3题:

    class One {   public One foo() { return this; }  }  class Two extends One {  public One foo() { return this; }  }  class Three extends Two {   // insert method here  }  Which two methods, inserted individually, correctly complete the Three class?()

    • A、 public void foo() { }
    • B、 public int foo() { return 3; }
    • C、 public Two foo() { return this; }
    • D、 public One foo() { return this; }
    • E、 public Object foo() { return this; }

    正确答案:C,D

  • 第4题:

    Given an EL function foo, in namespace func, that requires a long as a parameter and returns a Map, which two are valid invocations of function foo?()

    • A、 ${func(1)}
    • B、 ${foo:func(4)}
    • C、 ${func:foo(2)}
    • D、 ${foo(5):func}
    • E、 ${func:foo(“easy”)}
    • F、 ${func:foo(“3”).name}

    正确答案:F

  • 第5题:

    A custom tag is defined to take three attributes. Which two correctly invoke the tag within a JSP page?()

    • A、<prefix:myTag a="foo" b="bar" c="baz" />
    • B、<prefix:myTag attributes={"foo","bar","baz"} />
    • C、<prefix:myTag jsp:attribute a="foo" b="bar" c="baz" />
    • D、<prefix:myTag><jsp:attribute name="a">foo</jsp:attribute><jsp:attribute name="b">bar</jsp:attribute><jsp:attribute name="c">baz</jsp:attribute>. </prefix:myTag>

    正确答案:A,B,D

  • 第6题:

    Given:   10. class One {   11. void foo() { }   12. }   13. class Two extends One {   14. //insert method here   15. }   Which three methods, inserted individually at line 14, will correctly complete class Two?()

    • A、 public void foo() { /* more code here */ }
    • B、 private void foo() { /* more code here */ }
    • C、 protected void foo() { /* more code here */ }
    • D、 int foo() { /* more code here */ }  
    • E、 void foo() { /* more code here */ }

    正确答案:A,C,E

  • 第7题:

    单选题
    Which JSTL code snippet can be used to import content from another web resource?()
    A

    <c:import url=foo.jsp/>

    B

    <c:import page=foo.jsp/>

    C

    <c:include url=foo.jsp/>

    D

    <c:include page=foo.jsp/>


    正确答案: C
    解析: 暂无解析

  • 第8题:

    多选题
    class One {  void foo() {}  }  class Two extends One {   //insert method here  }  Which three methods, inserted individually at line 14, will correctly complete class Two?()
    A

    int foo() { /* more code here */ }

    B

    void foo() { /* more code here */ }

    C

    public void foo() { /* more code here */ }

    D

    private void foo() { /* more code here */ }

    E

    protected void foo() { /* more code here */ }


    正确答案: C,D
    解析: 暂无解析

  • 第9题:

    多选题
    Which statements concerning the relationships between the following classes are true?()   class Foo {  int num;   Baz comp = new Baz();   }   class Bar {  boolean flag;   }   class Baz extends Foo {   Bar thing = new Bar();   double limit;   }
    A

    A Bar is a Baz.

    B

    A Foo has a Bar.

    C

    A Baz is a Foo.

    D

    A Foo is a Baz.

    E

    A Baz has a Bar.


    正确答案: E,A
    解析: 暂无解析

  • 第10题:

    多选题
    A custom tag is defined to take three attributes. Which two correctly invoke the tag within a JSP page?()
    A

    <prefix:myTag a=foo b=bar c=baz />

    B

    <prefix:myTag attributes={foo,bar,baz} />

    C

    <prefix:myTag jsp:attribute a=foo b=bar c=baz />

    D

    <prefix:myTag><jsp:attribute name=a>foo</jsp:attribute><jsp:attribute name=b>bar</jsp:attribute><jsp:attribute name=c>baz</jsp:attribute>. </prefix:myTag>


    正确答案: C,A
    解析: 暂无解析

  • 第11题:

    单选题
    Given the JSP code: and the Classic tag handler code: 5. public int doStartTag() throws JspException { 6. // insert code here 7. // return int 8. } Assume there are no other "foo" attributes in the web application. Which invocation on the pageContextobject,inserted at line 6,assigns "bar" to the variable x?()
    A

    String x = (String) pageContext.getAttribute(foo)

    B

    String x = (String) pageContext.getRequestScope(foo)

    C

    It is NOT possible to access the pageContext object from within doStartTag

    D

    String x = (String) pageContext.getRequest().getAttribute(foo)

    E

    String x = (String) pageContext.getAttribute(foo, PageContext.ANY_SCOPE)


    正确答案: B
    解析: 暂无解析

  • 第12题:

    多选题
    Given: 6. 7. 8. and a custom tag handler for foo which extends TagSupport. Which two are true about thetag handler referenced by foo?()
    A

    The doStartTag method is called once.

    B

    The doAfterBody method is NOT called.

    C

    The EVAL_PAGE constant is a valid return value for the doEndTag method.

    D

    The SKIP_PAGE constant is a valid return value for the doStartTag method.

    E

    The EVAL_BODY_BUFFERED constant is a valid return value for the doStartTag method.


    正确答案: A,D
    解析: 暂无解析

  • 第13题:

    Given: 6. 7.<%="processing" %> 8. and a custom tag handler for foo which extends TagSupport. Which two are true about thetag handler referenced by foo?()

    • A、The doStartTag method is called once.
    • B、The doAfterBody method is NOT called.
    • C、The EVAL_PAGE constant is a valid return value for the doEndTag method.
    • D、The SKIP_PAGE constant is a valid return value for the doStartTag method.
    • E、The EVAL_BODY_BUFFERED constant is a valid return value for the doStartTag method.

    正确答案:A,C

  • 第14题:

    Which JSTL code snippet can be used to import content from another web resource?()

    • A、<c:import url="foo.jsp"/>
    • B、<c:import page="foo.jsp"/>
    • C、<c:include url="foo.jsp"/>
    • D、<c:include page="foo.jsp"/>

    正确答案:A

  • 第15题:

    Which JSTL code snippet can be used to perform URL rewriting?()

    • A、<a href=’<c:url url="foo.jsp"/>’ />
    • B、<a href=’<c:link url="foo.jsp"/>’ />
    • C、<a href=’<c:url value="foo.jsp"/>’ />
    • D、<a href=’<c:link value="foo.jsp"/>’ />

    正确答案:C

  • 第16题:

    Which statements concerning the relationships between the following classes are true?()   class Foo {  int num;   Baz comp = new Baz();   }   class Bar {  boolean flag;   }   class Baz extends Foo {   Bar thing = new Bar();   double limit;   }  

    • A、A Bar is a Baz.
    • B、A Foo has a Bar.
    • C、A Baz is a Foo.
    • D、A Foo is a Baz.
    • E、A Baz has a Bar.

    正确答案:C,E

  • 第17题:

    Given the JSP code: <% request.setAttribute("foo", "bar"); %>and the Classic tag handler code: 5. public int doStartTag() throws JspException { 6. // insert code here 7. // return int 8. } Assume there are no other "foo" attributes in the web application. Which invocation on the pageContextobject,inserted at line 6,assigns "bar" to the variable x?()

    • A、String x = (String) pageContext.getAttribute("foo")
    • B、String x = (String) pageContext.getRequestScope("foo")
    • C、It is NOT possible to access the pageContext object from within doStartTag
    • D、String x = (String) pageContext.getRequest().getAttribute("foo")
    • E、String x = (String) pageContext.getAttribute("foo", PageContext.ANY_SCOPE)

    正确答案:D

  • 第18题:

    单选题
    Assume a tag handler extends TagSupport. Which is used within the tag handler to get an attribute “foo” that is in the application scope?()
    A

     pageContext.getAttribute(“foo”);

    B

     getPageContext().getAttribute(“foo”);

    C

     pageContext.getApplicationScope(“foo”);

    D

     pageContext.getAttribute(“foo”,pageContext.APPLICATION_SCOPE).getAttribute(“foo”);

    E

     getPageContext().getScope(pageContext.APPLICATION_SCOPE).getAttribute(“foo”);


    正确答案: C
    解析: 暂无解析

  • 第19题:

    单选题
    Which JSP standard action can be used to import content from a resource called foo.jsp?()
    A

    <jsp:import file=’foo.jsp’ />

    B

    <jsp:import page=’foo.jsp’ />

    C

    <jsp:include page=’foo.jsp’ />

    D

    <jsp:include file=’foo.jsp’ />


    正确答案: D
    解析: 暂无解析

  • 第20题:

    多选题
    class One {   public One foo() { return this; }  }  class Two extends One {  public One foo() { return this; }  }  class Three extends Two {   // insert method here  }  Which two methods, inserted individually, correctly complete the Three class?()
    A

    public void foo() { }

    B

    public int foo() { return 3; }

    C

    public Two foo() { return this; }

    D

    public One foo() { return this; }

    E

    public Object foo() { return this; }


    正确答案: C,D
    解析: 暂无解析

  • 第21题:

    单选题
    Which retrieves the value associated with “foo” from within an HttpServlet?()
    A

     String value = getServletConfig( ).getParameter(“foo”);

    B

     String value = getServletContext( ).getAttribute(“foo”);

    C

     Object value = getServletContext( ).getInitParameter(“foo”);

    D

     String value = getServletContext( ).getInitParameter(“foo”)


    正确答案: D
    解析: 暂无解析

  • 第22题:

    多选题
    Given: 6. 7. 8. and a custom tag handler for foo which extends TagSupport. Which two are true about thetag handler referenced by foo?()
    A

    The doStartTag method is called once.

    B

    The doAfterBody method is NOT called.

    C

    The EVAL_PAGE constant is a valid return value for the doEndTag method.

    D

    The SKIP_PAGE constant is a valid return value for the doStartTag method.

    E

    The EVAL_BODY_BUFFERED constant is a valid return value for the doStartTag method.


    正确答案: C,D
    解析: 暂无解析

  • 第23题:

    多选题
    Given: 3.public class MyTagHandler extends TagSupport { 4.public int doStartTag() { 5.// insert code here 6.// return an int 7.} 8.// more code here ... 18.} There is a single attribute foo in the session scope. Which three code fragments,inserted independently atline 5,return the value of the attribute?()
    A

    Object o = pageContext.getAttribute(foo);

    B

    Object o = pageContext.findAttribute(foo);

    C

    Object o = pageContext.getAttribute(foo,PageContext.SESSION_SCOPE);

    D

    HttpSession s = pageContext.getSession();Object o = s.getAttribute(foo);


    正确答案: A,D
    解析: 暂无解析