SCDCD(310-081)

单选题Given the HttpServlet code:   getServletContext().setAttribute(“foo”, “value”); What is the result?()AThe attribute foo is placed in the applicationBA ServletContextListener registered for that servlet is notifiedCA ServletAttributeListener registered 

题目
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

参考答案和解析
正确答案: C
解析: 暂无解析
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相似问题和答案

第1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:B

第2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

第3题:

GiventheHttpServletcode:getServletContext().setAttribute(“foo”,“value”);Whatistheresult?()

A.Theattributefooisplacedintheapplication

B.AServletContextListenerregisteredforthatservletisnotified

C.AServletAttributeListenerregisteredforthatservletisnotified

D.AnHttpSessionAttributeListenerregisteredforthatservletisnotified


参考答案:A

第4题:

int index = 1;   int foo = new int ;   int bar = foo [index];   int baz = bar + index;   What is the result?()

  • A、 Baz has the value of 0
  • B、 Baz has the value of 1
  • C、 Baz has the value of 2
  • D、 An exception is thrown.
  • E、 The code will not compile.

正确答案:B

第5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6题:

Given: 6.<% int[] nums = {42, 420, 4200}; 7.request.setAttribute("foo", nums); %> 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,D

第7题:

int index = 1;   boolean test = new Boolean;   boolean 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8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:B,C,D

第9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10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

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