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多选题
Given a header in an HTTP request： X-Retries：4 Which two retrieve the value of the header from a given ServletRequest request？ （）
A
request.getHeader （“X-Retries”）
B
request.getIntHeader （“X-Retries”）
C
request.getRequestHeader （“x-Retries”）
D
request.getHeaders （“X-Retries”）.get （0）
E
re request.getRequest Headers （“X-Retries”）. Get （0）
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更多 “多选题Given a header in an HTTP request： X-Retries：4 Which two retrieve the value of the header from a given ServletRequest request？ （）Arequest.getHeader （“X-Retries”）Brequest.getIntHeader （“X-Retries”）Crequest.getRequestHeader （“x-Retries”）Drequest.getHeaders （“X-Retries”）.get （0）Ere request.getRequest Headers （“X-Retries”）. Get （0）” 相关考题
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单选题Given a Filter class definition with this method： 21.public void doFilter（ServletRequest request， 22.ServletResponse response， 23.FilterChain chain） 24.throws ServletException， IOException { 25.// insert code here 26.} Which should you insert at line 25 to properly invoke the next filter in the chain， or the target servlet if thereare no more filters？（）A
chain.forward（request， response）；B
chain.doFilter（request， response）；C
request.forward（request， response）；D
request.doFilter（request， response）；
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