试题详情
- 多项选择题 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,E
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