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多项选择题

A.Store the data in a local variable.B.Store the data i……

A developer chooses to avoid using SingleThreadModel but wants to ensure that data is updated in athread-safe manner.
Which two can support this design goal?()



A.Store the data in a local variable.
B.Store the data in an instance variable.
C.Store the data in the HttpSession object.
D.Store the data in the ServletContext object.
E.Store the data in the ServletRequest object.

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