多选题Which three are true about servlet filters？（）AA filter must implement the destroy method.BA filter must implement the doFilter method.CA servlet may have multiple filters associated with it.DA servlet that is to have a filter applied to it must impleme
题目
多选题
Which three are true about servlet filters？（）
A
A filter must implement the destroy method.
B
A filter must implement the doFilter method.
C
A servlet may have multiple filters associated with it.
D
A servlet that is to have a filter applied to it must implement the javax.servlet.FilterChain interface.
E
A filter that is part of a filter chain passes control to the next filter in the chain by invoking the FilterChain.forward method.