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）
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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