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Given a header in an HTTP request:X-Retries:4
Which two retrieve the value of the header from a given HttpServletRequest request?()

A.Request.getHeader("X-Retries")
B.Request.getIntHeader("X-Retries")
C.Request.getRequestHeader("X-Retries")
D.Request.getHeaders("X-Retries").get(0)
E.Request.getRequestHeaders("X-Retries").get(0)

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