多选题A developer chooses to avoid using SingleThreadModel but wants to ensure that data is updated in a thread-safe manner. Which two can support this design goal?()AStore the data in a vocal variable.BStore the data in an instance variable.CStore the data
题目
多选题
A developer chooses to avoid using SingleThreadModel but wants to ensure that data is updated in a thread-safe manner. Which two can support this design goal?()
AStore the data in a vocal 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.
相似考题