https://velog.io/@oliviarla/HttpServletRequest-HttpServletResponse-%EA%B0%9D%EC%B2%B4%EB%9E%80 WAS는 HttpServletRequest 객체를 생성하여 저장응답을 보낼 때 사용하기 위해 HttpServletResponse 객체 생성\-> Servlet에게 두 객체 전달\-> doGet, doPost, S" data-og-host="velog.io" data-og-source-url="https://velog.io/@oliviarla/HttpServletRequest-HttpServletResponse-%EA%B0%9D%EC%B2%B4%EB%9E%80" data-og-url="https://velog.io/@oliviarla/Ht..