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多选题Given: String value = getServletContext().getInitParameter("foo"); in an HttpServlet and a web applicationdeployment descriptor that contains: foo frodo Which two are true?()AThe foo initialization parameter CANNOT be set programmatically.BCompilatio

题目
多选题
Given: String value = getServletContext().getInitParameter("foo"); in an HttpServlet and a web applicationdeployment descriptor that contains: foo frodo Which two are true?()
A

The foo initialization parameter CANNOT be set programmatically.

B

Compilation fails because getInitParameter returns type Object.

C

The foo initialization parameter is NOT a servlet initialization parameter.

D

Compilation fails because ServletContext does NOT have a getInitParameter method.

E

The foo parameter must be defined within the  element of the deployment descriptor.


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  • 第1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2题:

    String foo = “blue”;  Boolean[]bar = new Boolean [1];  if (bar[0])  {  foo = “green”;  }   What is the result? () 

    • A、 Foo has the value of “”
    • B、 Foo has the value of null.
    • C、 Foo has the value of “blue”
    • D、 Foo has the value of “green”
    • E、 An exception is thrown.
    • F、 The code will not compile.

    正确答案:F

  • 第3题:

    3. string foo = “ABCDE”;  4. foo.substring(3);   5. foo.concat(“XYZ”);   6.   Type the value of foo at line 6.()


    正确答案:ABCDE

  • 第4题:

    int index = 1;  String [] test = new String[3];  String foo = test[index];     What is the result?()  

    • A、 Foo has the value “”
    • B、 Foo has the value null
    • C、 An exception is thrown
    • D、 The code will not compile

    正确答案:B

  • 第5题:

    多选题
    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
    解析: 暂无解析

  • 第6题:

    单选题
    int index = 1;  String [] test = new String[3];  String foo = test[index];     What is the result?()
    A

     Foo has the value “”

    B

     Foo has the value null

    C

     An exception is thrown

    D

     The code will not compile


    正确答案: B
    解析: 暂无解析

  • 第7题:

    多选题
    Given: String value = getServletContext().getInitParameter("foo"); in an HttpServlet and a web applicationdeployment descriptor that contains: foo frodo Which two are true?()
    A

    The foo initialization parameter CANNOT be set programmatically.

    B

    Compilation fails because getInitParameter returns type Object.

    C

    The foo initialization parameter is NOT a servlet initialization parameter.

    D

    Compilation fails because ServletContext does NOT have a getInitParameter method.

    E

    The foo parameter must be defined within the  element of the deployment descriptor.


    正确答案: C,E
    解析: 暂无解析

  • 第8题:

    单选题
    Given:  8.int index = 1:  9.Boolean [] test = new boolcan [3];  10.boolcan foo = test [index];   What is the result()?
    A

     foo has the value of 0.

    B

     foo has the value of null.

    C

     foo has the value of true.

    D

     foo has the value of false.

    E

     An-exception is thrown.

    F

     The code will not compile.


    正确答案: F
    解析: 暂无解析

  • 第9题:

    多选题
    Given: String value = getServletContext().getInitParameter("foo"); in an HttpServlet and a web applicationdeployment descriptor that contains: foo frodo Which two are true?()
    A

    The foo initialization parameter CANNOT be set programmatically.

    B

    Compilation fails because getInitParameter returns type Object.

    C

    The foo initialization parameter is NOT a servlet initialization parameter.

    D

    Compilation fails because ServletContext does NOT have a getInitParameter method.

    E

    The foo parameter must be defined within the  element of the deployment descriptor.


    正确答案: A,C
    解析: 暂无解析

  • 第10题:

    单选题
    int index = 1;   String test = new String;   String foo = test[index];  What is the result?()
    A

      Foo has the value “”

    B

     Foo has the value null

    C

     An exception is thrown

    D

     The code will not compile


    正确答案: A
    解析: 暂无解析

  • 第11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: C,D
    解析: 暂无解析

  • 第13题:

    Given:  8.int index = 1:  9.Boolean [] test = new boolcan [3];  10.boolcan foo = test [index];   What is the result()?  

    • A、 foo has the value of 0.
    • B、 foo has the value of null.
    • C、 foo has the value of true.
    • D、 foo has the value of false.
    • E、 An-exception is thrown.
    • F、 The code will not compile.

    正确答案:D

  • 第14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15题:

    Given the HttpServlet code:   getServletContext().setAttribute(“foo”, “value”); What is the result?()

    • A、 The attribute foo is placed in the application
    • B、 A ServletContextListener registered for that servlet is notified
    • C、 A ServletAttributeListener registered for that servlet is notified
    • D、 An HttpSessionAttributeListener registered for that servlet is notified

    正确答案:A

  • 第16题:

    多选题
    Given: 6. Which two successfully translate and result in a value of true?()
    A

    ${true or false}

    B

    ${requestScope[foo][0] > 500}

    C

    ${requestScope[’foo’][1] = 420}

    D

    ${(requestScope[’foo’][0] lt 50) && (3 gt 2)}


    正确答案: A,B
    解析: 暂无解析

  • 第17题:

    多选题
    Given: 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: D,B
    解析: 暂无解析

  • 第18题:

    单选题
    String foo = “blue”;  Boolean[]bar = new Boolean [1];  if (bar[0])  {  foo = “green”;  }   What is the result? ()
    A

     Foo has the value of “”

    B

     Foo has the value of null.

    C

     Foo has the value of “blue”

    D

     Foo has the value of “green”

    E

     An exception is thrown.

    F

     The code will not compile.


    正确答案: C
    解析: 暂无解析

  • 第19题:

    单选题
    String foo = “blue”;    Booleanbar = new Boolean [1];    if (bar[0]) {    foo = “green”;    }   What is the result?()
    A

     Foo has the value of “”

    B

     Foo has the value of null.

    C

     Foo has the value of “blue”

    D

     Foo has the value of “green”

    E

     An exception is thrown.

    F

     The code will not compile.


    正确答案: E
    解析: 暂无解析

  • 第20题:

    多选题
    public class Foo {  private int val;  public foo(int v) (val = v;)  }  public static void main (String [] args)  {  Foo a = new Foo (10);  Foo b = new Foo (10);  Foo c = a;  int d = 10;  double e = 10.0;  }  Which three logical expression evaluate to true?()
    A

    (a ==c)

    B

    (d ==e)

    C

    (b ==d)

    D

    (a ==b)

    E

    (b ==c)

    F

    (d ==10.0)


    正确答案: A,C
    解析: 暂无解析

  • 第21题:

    单选题
    Given the HttpServlet code:   getServletContext().setAttribute(“foo”, “value”); What is the result?()
    A

     The attribute foo is placed in the application

    B

     A ServletContextListener registered for that servlet is notified

    C

     A ServletAttributeListener registered for that servlet is notified

    D

     An HttpSessionAttributeListener registered for that servlet is notified


    正确答案: B
    解析: 暂无解析

  • 第22题:

    多选题
    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: D,E
    解析: 暂无解析

  • 第23题:

    单选题
    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: B
    解析: 暂无解析

  • 第24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