Given that a scoped attribute cart exists only in a user’s session, which two, taken independently, ensure the scoped attribute cart no longer exists?()A、 ${cart = null} B、 <c:remove var="cart" /> C、 <c:remove var="${cart}" /> D、 <c:remove var="cart" scop

题目

Given that a scoped attribute cart exists only in a user’s session, which two, taken independently, ensure the scoped attribute cart no longer exists?()

  • A、 ${cart = null} 
  • B、 <c:remove var="cart" /> 
  • C、 <c:remove var="${cart}" /> 
  • D、 <c:remove var="cart" scope="session" /> 
  • E、 <c:remove scope="session">cart</c:remove> 
  • F、 <c:remove var="${cart}" scope="session" /> 
  • G、 <c:remove scope="session">${cart}</c:remove>

相似考题
参考答案和解析
正确答案:D,E
更多“Given that a s”相关问题
  • 第1题:

    Given:Which regular expression, inserted at line 12, correctly splits test into "Test A", "Test B", and "Test C"?()

    A.String regex="";

    B.String regex=" .";

    C.String regex=".*";

    D.String regex="\\s";

    E.String regex="\\.\\s*";

    F.String regex="\\w[\.]+";


    参考答案:E

  • 第2题:

    With a given load on the cargo hook,tension in a single span topping lift ______.

    A.increases as the boom's angle to the horizontal increases

    B.is at a maximum when the boom is at a 45° angle to the horizontal

    C.increases as the boom's angle to the horizontal decreases

    D.decreases as the boom's angle to the horizontal decreases


    正确答案:C

  • 第3题:

    英文姓名中需要登记录入的是()。

    • A、MIDDLE NAME
    • B、FIRST NAME
    • C、GIVEN NAME
    • D、FATHER’S NAME

    正确答案:A,B,C

  • 第4题:

    Given that c is a reference to a valid java.io.Console object, which two code fragments read a line of text from the console?()

    • A、String s = c.readLine();
    • B、char[ ] c = c.readLine();
    • C、String s = c.readConsole();
    • D、char[ ] c = c.readConsole();
    • E、String s = c.readLine("%s", "name ");
    • F、char[ ] c = c.readLine("%s", "name ");

    正确答案:A,E

  • 第5题:

    Given a new implementation, which of the following procedures should be used to determine a default gateway’s IP address?()

    • A、The address will always end in 255.
    • B、The address will always be the first interface’s IP address
    • C、The address will always be the network with a 1 as the final octet.
    • D、It is important to consult with the network administrator prior to making assumptions regarding the default gateway’s IP addres

    正确答案:D

  • 第6题:

    单选题
    The TPC curve,one of the hydrostatic curves in a vessel’s plans,gives the number of tons().
    A

    necessary to change the angle of list 1°at a given draft

    B

    necessary to change trim 1 cm at a given draft

    C

    pressure per square cm on the vessel's hull at a given draft

    D

    necessary to further immerse the vessel 1 cm at a given draft


    正确答案: A
    解析: 暂无解析

  • 第7题:

    多选题
    Given that c is a reference to a valid java.io.Console object, which two code fragments read a line of text from the console?()
    A

    String s = c.readLine();

    B

    char[ ] c = c.readLine();

    C

    String s = c.readConsole();

    D

    char[ ] c = c.readConsole();

    E

    String s = c.readLine(%s, name );

    F

    char[ ] c = c.readLine(%s, name );


    正确答案: E,F
    解析: 暂无解析

  • 第8题:

    单选题
    What does his/her feedback focus on if a teacher's comment isJohn, it would be muchbetter if you have given more details!?
    A

    Content.

    B

    Language.

    C

    Attitude.

    D

    Aptitude.


    正确答案: D
    解析:

  • 第9题:

    单选题
    Which of the following commands should be used to monitor the average number of threads in the scheduler’s run queue for any given interval?()
    A

     tprof

    B

     iostat

    C

     vmstat

    D

     filemon


    正确答案: B
    解析: 暂无解析

  • 第10题:

    单选题
    With a given load on the cargo hook,tension in a single span topping lift().
    A

    increases as the boom's angle to the horizontal increases

    B

    is at a maximum when the boom is at a 45° angle to the horizontal

    C

    increases as the boom's angle to the horizontal decreases

    D

    decreases as the boom's angle to the horizontal decreases


    正确答案: C
    解析: 暂无解析

  • 第11题:

    单选题
    Which of the following commands should be used to monitor the number of threads on the scheduler’s run queue for any given interval?()
    A

     sar

    B

     pstat

    C

     iostat

    D

     filemon


    正确答案: D
    解析: 暂无解析

  • 第12题:

    单选题
    The signal given to commence lowering the lifeboats is().
    A

    3 short blasts of the ship's whistle

    B

    1 short blast of the ship's whistle

    C

    3 long blasts of the ship's whistle

    D

    1 long blast of the ship's whistle


    正确答案: B
    解析: 暂无解析

  • 第13题:

    Given:What,insertedatline39,willsortthekeysinthepropsHashMap?()

    A.Arrays.sort(s);

    B.s=newTreeSet(s);

    C.Collections.sort(s);

    D.s=newSortedSet(s);


    参考答案:B

  • 第14题:

    Given the high price,() it's not surprising they didn't buy it.

    • A、and
    • B、but
    • C、–(不填)
    • D、that

    正确答案:C

  • 第15题:

    What is the Cisco IOS default behavior for switching from the shared tree to the shortest path tree in PIM-SM operations?()

    • A、immediately after receiving the first packet on the shared tree for a given (S,G)
    • B、after receiving over 1 kb/s traffic onthe shared tree for a given (S,G)
    • C、10 seconds after receiving the first packet on the shared tree for a given (S,G)
    • D、30 seconds after receiving the first packet on the shared tree for a given (S,G)
    • E、after receiving over 10 kb/s traffic onthe shared tree for a given (S,G)

    正确答案:A

  • 第16题:

    Which of the following commands should be used to monitor the number of threads on the scheduler’s run queue for any given interval?()

    • A、 sar
    • B、 pstat
    • C、 iostat
    • D、 filemon

    正确答案:A

  • 第17题:

    Given that c is a reference to a valid java.io.Console object,which two code fragments read a line of textfrom the console?()

    • A、String s = c.readLine();
    • B、char[] c = c.readLine();
    • C、String s = c.readConsole();
    • D、char[] c = c.readConsole();
    • E、String s = c.readLine("%s", "name ");

    正确答案:A,E

  • 第18题:

    单选题
    Given the high price,() it's not surprising they didn't buy it.
    A

    and

    B

    but

    C

    –(不填)

    D

    that


    正确答案: A
    解析: 暂无解析

  • 第19题:

    单选题
    What does his/her feedback focus on if a teacher's comment is "John, it would be much better if you have given more details!"?
    A

    Content.

    B

    Language.

    C

    Attitude.

    D

    Aptitude.


    正确答案: C
    解析:

  • 第20题:

    单选题
    According to the passage, one of the reasons why readers in the 1920s and 130s were attracted by free insurance policies was that ______.
    A

    they were afraid of being unable to work

    B

    jobs were more dangerous then

    C

    they had bigger families to look after

    D

    money was given away with the policies


    正确答案: A
    解析:
    文中提到20世纪20、30年代是一个充斥着mass unemployment-economic insecurity和a passionate concern for the next generation的年代,由此可知读者之所以会对报纸和杂志提供的免费保险所吸引是因为他们担心失去工作后没有依靠,故A项正确。

  • 第21题:

    单选题
    What is the Cisco IOS default behavior for switching from the shared tree to the shortest path tree in PIM-SM operations?()
    A

    immediately after receiving the first packet on the shared tree for a given (S,G)

    B

    after receiving over 1 kb/s traffic onthe shared tree for a given (S,G)

    C

    10 seconds after receiving the first packet on the shared tree for a given (S,G)

    D

    30 seconds after receiving the first packet on the shared tree for a given (S,G)

    E

    after receiving over 10 kb/s traffic onthe shared tree for a given (S,G)


    正确答案: C
    解析: 暂无解析

  • 第22题:

    多选题
    Given that c is a reference to a valid java.io.Console object,which two code fragments read a line of textfrom the console?()
    A

    String s = c.readLine();

    B

    char[] c = c.readLine();

    C

    String s = c.readConsole();

    D

    char[] c = c.readConsole();

    E

    String s = c.readLine(%s, name );


    正确答案: E,D
    解析: 暂无解析

  • 第23题:

    单选题
    What information is given in the article?
    A

    Capture the Rain is Mike Johnson's debut work.

    B

    The barrels collect water as it drains from the roof.

    C

    A family's one-year savings is greater than the cost of the barrels.

    D

    The author is unconvinced of the book's value.


    正确答案: D
    解析:
    根据第二句话“it utilizes a system of 50-gallon plastic barrels to capture rainwater running off a house’s roof”可知在雨水从屋檐上滴下时,雨水就被收集了,所以B项正确。

  • 第24题:

    单选题
    Why does the woman have binoculars?
    A

    She is trying to take Ricky Martin’s picture.

    B

    She is watching Ricky Martin’s limousine.

    C

    The binoculars were given to her by Ricky Martin.


    正确答案: B
    解析: 女士提到Ricky Martin刚刚坐着豪华轿车到电影院去,可知她正在看Ricky Martin。
    【录音原文】
    M:What are you doing with those binoculars?
    W:I’m trying to see Ricky Martin. He just arrived in a limousine at the theater on the corner.
    M:Really, let me see.