多选题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?()AStore the data in a local variable.BStore the data in an instance variable.CStore the data i
题目
多选题
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?()
AStore the data in a local variable.
BStore the data in an instance variable.
CStore the data in the HttpSession object.
DStore the data in the ServletContext object.
EStore the data in the ServletRequest object.