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Which the 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
  • F、 For each  element in the web application deployment descriptor, multiple instances of a filter may be created by the web container

参考答案

更多 “Which the three are true about servlet filters?()A、 A filter must implement the destroy methodB、 A filter must implement the doFilter methodC、 A servlet may have multiple filters associated with itD、 A servlet that is to have a filter applied to it must implement the javax.servlet.FilterChain  interfaceE、 A filter that is part of a filter chain passes control to the next filter in the chain by invoking the filterChain forward methodF、 For each  element in the web application deployment descriptor, multiple instances of a filter may be created by the web container” 相关考题
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