问题:
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.
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?()
● 参考解析
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