jsp에서 많이 쓰는 객체
1. request
2. response
3. session
4. application

단일값을 가져올 때 request.getParameter("  ")
다중값을 가져올 때 request.getParamterValues("  ")

한글 적용되게 하는 방법 : <%request.setCharacterEncoding("utf-8"); %>

response.sendRedirect("경로이동")

1. class.forName(oracle.jdbc.driver.oracleDriver)=> DB선택
2. Connection con = DriverManager.getConnection("jdbc:oracle:thin:@168.126.146.45:1521:orcl","아이디","비밀번호")


귀찮
Class.forName("oracle.jdbc.driver.oracleDriver");
Connection conn = DriverManager.getConnection("jdbc:oracle:thin:@168.126.146.45:1521:orcl","20182244","990621");