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单选题Which statement is true?()AIf only one thread is blocked in the wait method of an object, and another thread executes the modify on that same object, then the first thread immediately resumes execution.BIf a thread is blocked in the wait method of an o

题目
单选题
Which statement is true?()
A

 If only one thread is blocked in the wait method of an object, and another thread executes the modify on that same object, then the first thread immediately resumes execution.

B

 If a thread is blocked in the wait method of an object, and another thread executes the notify method on the same object, it is still possible that the first thread might never resume execution.

C

 If a thread is blocked in the wait method of an object, and another thread executes the notify method on the same object, then the first thread definitely resumes execution as a direct and sole  consequence of the notify call.

D

 If two threads are blocked in the wait method of one object, and another thread executes the notify method on the same object, then the first thread that executed the wait call first definitely resumes execution as a direct and sole consequence of the notify call.


相似考题
更多“Which statement is true?()”相关问题
  • 第1题:

    Which statement is TRUE concerning the flash point of a substance ________.

    A.It is lower than the ignition temperature

    B.It is the temperature at which a substance will spontaneously ignite

    C.It is the temperature at which a substance,when ignited,will continue to burn

    D.It is the temperature at which the released vapors will fall within the explosive range


    正确答案:A

  • 第2题:

    Which statement is true about terms in a policy?()

    • A、A single term can be applied to a protocol or interface, independent of the policy.
    • B、Once configured, terms within a policy cannot be reordered.
    • C、The name of a term is limited to five characters.
    • D、A from statement is optional in a term.

    正确答案:D

  • 第3题:

    Which statement is true about IBGP routers? ()

    • A、They must be fully meshed
    • B、They can be in a different AS
    • C、They must be directly connected

    正确答案:C

  • 第4题:

    Which statement is true about The QoS Class Fibre Channel?()

    • A、 Cannot be disabled
    • B、 Cannot have the CoS changed
    • C、 Can have "Packet Drop" enabled
    • D、 Is multicast optimized
    • E、 Can have the MTU changed

    正确答案:A

  • 第5题:

    Which two statements are true about terms in a routing policy?()

    • A、A then statement is mandatory in a term
    • B、If a term does not contain a from statement, all routers match
    • C、If a term does not contain a from statement, the Junos OS will not commit
    • D、A then statement is not mandatory in a term

    正确答案:A,B

  • 第6题:

    Which statement is TRUE about the CacheFactory class ?()

    • A、 it is a topology agnostic way to access NamedCaches
    • B、 it provides mechanisms to manage underlying remote data sources
    • C、 both A and B are TRUE
    • D、Neither A nor B are TRUE

    正确答案:A

  • 第7题:

    单选题
    Evaluate the following statement:   Which statement is true regarding the evaluation of rows returned by the subquery in the INSERT statement?()
    A

     They are evaluated by all the three WHEN clauses regardless of the results of the evaluation of any other WHEN clause.

    B

     They are evaluated by the first WHEN clause. If the condition is true, then the row would be evaluated by the subsequent WHEN clauses.

    C

     They are evaluated by the first WHEN clause. If the condition is false, then the row would be evaluated by the subsequent WHEN clauses.

    D

     The INSERT statement would give an error because the ELSE clause is not present for support in case none of the WHEN clauses are true.


    正确答案: A
    解析: 暂无解析

  • 第8题:

    单选题
    Which statement is TRUE concerning the gooseneck().
    A

    It is a sailing maneuver which brings the vessel's head through the wind

    B

    It connects the boom to the mast and allows the boom to swing freely

    C

    It is a sailing condition where there is a loss of air flow over the sails

    D

    None of the above


    正确答案: A
    解析: 暂无解析

  • 第9题:

    单选题
    Which statement is TRUE about the CacheFactory class ?()
    A

     it is a topology agnostic way to access NamedCaches

    B

     it provides mechanisms to manage underlying remote data sources

    C

     both A and B are TRUE

    D

    Neither A nor B are TRUE


    正确答案: C
    解析: 暂无解析

  • 第10题:

    单选题
    Which statement is true about IBGP routers? ()
    A

    They must be fully meshed

    B

    They can be in a different AS

    C

    They must be directly connected


    正确答案: A
    解析: 暂无解析

  • 第11题:

    多选题
    Which three are true?()
    A

    A MERGE statement is used to merge the data of one table with data from another.

    B

    A MERGE statement replaces the data of one table with that of another.

    C

    A MERGE statement can be used to insert new rows into a table.

    D

    A MERGE statement can be used to update existing rows in a table.


    正确答案: D,B
    解析: 暂无解析

  • 第12题:

    单选题
    public class Test{  public static void main( String[] argv ){  // insert statement here  }  }   Which statement, inserted at line 3, produces the following output?()  Exception in thread “main” java.lang.AssertionError: true at Test.main(Test.java:3)
    A

     assert true;

    B

     assert false;

    C

     assert false : true;

    D

     assert false == true;

    E

     assert false: false;


    正确答案: C
    解析: 暂无解析

  • 第13题:

    If a magnetic compass is not affected by any magnetic field other than the Earth’s which statement is TRUE?______.

    A.Compass error and variation are equal

    B.Compass north will be true north

    C.Variation will equal deviation

    D.There will be no compass error


    正确答案:A
    若磁罗经不受除了地磁意外的任何磁场的影响,哪个叙述是对的?罗经差和磁差一样的。

  • 第14题:

    Which three statements are true about terms in a policy?()

    • A、The order of the terms in a policy is irrelevant.
    • B、The action is specified in a then statement.
    • C、Terms are optional in a policy.
    • D、The match condition can be identified with a from statement.
    • E、A from statement is mandatory in a term.

    正确答案:B,C,D

  • 第15题:

    Which two statements are true about terms in a routing policy?()

    • A、A routing policy cannot have more than one term.
    • B、If a term does not contain a from statement, all routes match.
    • C、If a term does not contain a from statement, the Junos OS will not commit.
    • D、A then statement is not mandatory in a term.

    正确答案:B,D

  • 第16题:

    public class Test{  public static void main( String[] argv ){  // insert statement here  }  }   Which statement, inserted at line 3, produces the following output?()  Exception in thread “main” java.lang.AssertionError: true at Test.main(Test.java:3)  

    • A、 assert true;
    • B、 assert false;
    • C、 assert false : true;
    • D、 assert false == true;
    • E、 assert false: false;

    正确答案:C

  • 第17题:

    Which three are true?()

    • A、A MERGE statement is used to merge the data of one table with data from another.
    • B、A MERGE statement replaces the data of one table with that of another.
    • C、A MERGE statement can be used to insert new rows into a table.
    • D、A MERGE statement can be used to update existing rows in a table.

    正确答案:A,C,D

  • 第18题:

    单选题
    For the set of numbers 2,2,4,5, and 12, which statement is true?
    A

    Mean = Median

    B

    Mean > Mode

    C

    Mean < Mode

    D

    Mode = Median

    E

    Mean = Mode


    正确答案: A
    解析:
    For the set of numbers 2, 2, 4, 5, and 12, the mode is 2, the mean (or average) is age) is (2+2+4+5+12)/5 = 5 and the median or middle value in the list is 4. Hence, the mean is greater than the mode.

  • 第19题:

    单选题
    Which the statement is true?()
    A

     The Error class is a Runtime Exception.

    B

     No exceptions are subclasses of Error.

    C

     Any statement that may throw an Error must be enclosed in a try block.

    D

     any statement that may throw an Exception must be enclosed in a try block.

    E

     Any statement that may throw an Runtime Exception must be enclosed in a try block.


    正确答案: E
    解析: 暂无解析

  • 第20题:

    单选题
    Which statement about firefighting foam is TRUE?()
    A

    Foam conducts electricity

    B

    To be most effective,foam should be directed at the base of the fire

    C

    Foam is most effective on burning liquids which are flowing

    D

    Foam can ONLY be used to extinguish class A fires


    正确答案: A
    解析: 暂无解析

  • 第21题:

    多选题
    Which two statements are true about terms in a routing policy?()
    A

    A then statement is mandatory in a term

    B

    If a term does not contain a from statement, all routers match

    C

    If a term does not contain a from statement, the Junos OS will not commit

    D

    A then statement is not mandatory in a term


    正确答案: C,B
    解析: 暂无解析

  • 第22题:

    多选题
    Which two statements are true about terms in a routing policy?()
    A

    A routing policy cannot have more than one term.

    B

    If a term does not contain a from statement, all routes match.

    C

    If a term does not contain a from statement, the Junos OS will not commit.

    D

    A then statement is not mandatory in a term.


    正确答案: D,C
    解析: 暂无解析

  • 第23题:

    单选题
    Which statement is true regarding synonyms?()
    A

    Synonyms can be created only for a table 

    B

    Synonyms are used to reference only those tables that are owned by another user 

    C

    A public synonym and a private synonym can exist with the same name for the same table 

    D

    The DROP SYNONYM statement removes the synonym, and the table on which the synonym has been created becomes invalid


    正确答案: C
    解析: 暂无解析

  • 第24题:

    多选题
    Which three statements are true about terms in a policy?()
    A

    The order of the terms in a policy is irrelevant.

    B

    The action is specified in a then statement.

    C

    Terms are optional in a policy.

    D

    The match condition can be identified with a from statement.

    E

    A from statement is mandatory in a term.


    正确答案: A,C
    解析: 暂无解析