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Given an HttpServletRequest request and an HttpServletResponse response: 41.HttpSession session = null; 42.// insert code here 43.if(session == null) { 44.// do something if session does not exist 45.} else { 46.// do something if session exists47. } To 

题目

Given an HttpServletRequest request and an HttpServletResponse response: 41.HttpSession session = null; 42.// insert code here 43.if(session == null) { 44.// do something if session does not exist 45.} else { 46.// do something if session exists47. } To implement the design intent,which statement must be inserted at line 42?()

  • A、session = response.getSession();
  • B、session = request.getSession();
  • C、session = request.getSession(true);
  • D、session = request.getSession(false);
  • E、session = request.getSession("jsessionid");

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更多“Given an HttpServletR”相关问题
  • 第1题:

    She thought maybe she should consider_______her career and be a full-time mother

    A.given up

    B.to give up

    C.giving up

    D.having given up


    正确答案:C

  • 第2题:

    ____ a lift in your car, I would not have been home.

    A、Had you not given me

    B、I had not given

    C、You had not given me

    D、Had I not given


    答案:B

  • 第3题:

    Each boy and girl ____given a gift on Christmas Day.

    Ais

    Bare

    Cwere

    Dwas


    正确答案:A

  • 第4题:

    证件资料页上出现“Middle name”时,在录入时应()。

    • A、添加至“Given name”的前面
    • B、添加至“Given name”的后面
    • C、添加至“Given name”的中间
    • D、不予录入

    正确答案:B

  • 第5题:

    For a given Ethernet network, the failure cycle is set to 5 seconds and the heartbeat rate is set to 2 seconds.Given these values, what is the failure detection time for the network (in seconds)?()

    • A、5
    • B、10
    • C、12
    • D、20

    正确答案:D

  • 第6题:

    与外宾交往时,为了表达彼此的亲近感,可以()。

    • A、征得对方同意后,直接称呼其名字(given name)(不包括姓的名字)
    • B、不必征得对方同意,直接称呼其名字(given name)
    • C、直接称呼对方全名(given name+family name)

    正确答案:A

  • 第7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8题:

    单选题
    Given the regular expression: 64900 . (65400-65410) Which AS Path matches the given regularexpression?()
    A

    64900 65000 65500

    B

    64900 65402 65409

    C

    64900 65000 65300 65410

    D

    64900 65402 65405 65409


    正确答案: B
    解析: 暂无解析

  • 第9题:

    单选题
    ETA/PILOT REVERTING means () .
    A

    ETA pilot station has been given

    B

    ETA pilot station will be given afterwards

    C

    ETA pilot station was not given

    D

    ETA pilot station is given


    正确答案: B
    解析: 暂无解析

  • 第10题:

    单选题
    A refrigerant with oil in solution has a ().
    A

    higher boiling temperature for a given pressure than does a pure refrigerant

    B

    lower boiling temperature for a given pressure than does a pure refrigerant

    C

    boiling pressure equal to that of a pure refrigerant at a given pressure

    D

    boiling point will not be affected by entrained oil


    正确答案: B
    解析: 暂无解析

  • 第11题:

    单选题
    Why does IS-IS use the SPF algorithm?()
    A

    to determine the pseudonode ID

    B

    to determine the next hop to a given destination

    C

    to determine the complete path to a given destination

    D

    to determine the number of routers present in a given area


    正确答案: C
    解析: 暂无解析

  • 第12题:

    单选题
    Your database performance has degraded due to frequent checkpointing. What would you do in this scenario?()
    A

    make redo log files smaller

    B

    increase the size of the checkpoint file

    C

    make the changes as per the advice given by MTTR Advisor

    D

    make the changes as per the advice given by Checkpoint Advisor


    正确答案: A
    解析: 暂无解析

  • 第13题:

    Pocahontas has an English name given by John Smith.()


    参考答案:错误

  • 第14题:

    What are the components of Chinese names?

    A、Given name and middle names

    B、Family name

    C、Family name and given name

    D、Last name and surname


    参考答案:C

  • 第15题:

    ETA/PILOT REVERTING means:

    A.ETA pilot station has been given

    B.ETA pilot station will be given afterwards

    C.ETA pilot station was not given

    D.ETA pilot station is given


    正确答案:B

  • 第16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17题:

    Why does IS-IS use the SPF algorithm?()

    • A、to determine the pseudonode ID
    • B、to determine the next hop to a given destination
    • C、to determine the complete path to a given destination
    • D、to determine the number of routers present in a given area

    正确答案:B

  • 第18题:

    单选题
    与外宾交往时,为了表达彼此的亲近感,可以()。
    A

    征得对方同意后,直接称呼其名字(given name)(不包括姓的名字)

    B

    不必征得对方同意,直接称呼其名字(given name)

    C

    直接称呼对方全名(given name+family name)


    正确答案: B
    解析: 暂无解析

  • 第19题:

    单选题
    与外宾交往时,为了表达彼此的亲近感,可以()。
    A

    征得对方同意后,直接称呼其名字(given name)(不包括姓的名字)

    B

    直接称呼对方全名(given name + family name)(名字+姓)

    C

    不必征得对方同意,直接称呼其名字(given name)


    正确答案: B
    解析: 暂无解析

  • 第20题:

    多选题
    Which two statements are true about the security-related tags in a valid Java EE deployment descriptor?()
    A

    Every  tag must have at least one  tag.

    B

    A  tag can have many  tags.

    C

    A given  tag can apply to only one  tag.

    D

    A given  tag can contain from zero to many  tags.

    E

    It is possible to construct a valid  tag such that,for a given resource,no user rolescan access that resource.


    正确答案: D,A
    解析: 暂无解析

  • 第21题:

    单选题
    For a given Ethernet network, the failure cycle is set to 5 seconds and the heartbeat rate is set to 2 seconds.Given these values, what is the failure detection time for the network (in seconds)?()
    A

    5

    B

    10

    C

    12

    D

    20


    正确答案: A
    解析: 暂无解析

  • 第22题:

    单选题
    You report to the IT department in your company that your computer has a connectivity problem. The department requests that you configure your system with the following value:  2001::f85c:494e:7:4bd4  You need to configure your computer accordingly.  What should you do?()
    A

    Use the given value as an IPv6 address.

    B

    Use the given value as a DNS suffix search item.

    C

    Use the given value as a WEP key for a wireless network.

    D

    Use the given value as a manually assigned MAC address.


    正确答案: B
    解析: 暂无解析

  • 第23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24题:

    单选题
    According to the Bible, the concept of equality in justice means .
    A

    a criminal must be severely punished

    B

    a criminal must be given a punishment that is exactly the same as the crime he has done

    C

    a criminal must be given a punishment that he deserves

    D

    a criminal must pay for his crime with his eyes and teeth


    正确答案: C
    解析:
    文中指出圣经对公平的理解“an eye for an eye, and a tooth for a tooth”,然后具体解释说“can be done only by imposing an equal injury upon him”,可以判断选项B正确。