多項(xiàng)選擇題

A Company.com 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？（）

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.

你可能感興趣的試題

單項(xiàng)選擇題

Which HttpSession method stores an object in a session？（）

A. put（String name. Object value）
B. set（String name. Object value）
C. setAttribute（String name. Object value）
D. putAttribute（String name. Object value）
E. addAttribute（String name. Object value）

單項(xiàng)選擇題

Which element is the parent of the tag in the web application deployment descriptor？（）

A. <web-app>
B. <filters>
C. <servlet>
D. <filter-list>

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A Company.com 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？（）

你可能感興趣的試題

Which HttpSession method stores an object in a session？（）

Which element is the parent of the tag in the web application deployment descriptor？ （）

A Company.com 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？（）

Which element is the parent of the tag in the web application deployment descriptor？（）