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import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
DatabaseAccess, HttpServlet. . HttpServletRequest
HttpServletResponse
PrintWriter
ResultSet
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1)HttpServlet. HttpServlet doGet doPost get post . service HttpServlet, , , . service , . doGet doPost HttpServlet , HttpServletRequest. Web-, , HttpServletRequest service ( doGet doPost). , .
2.ServletRequest- HTTP . , , . config javax.servlet.ServletConfig, , , .
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3.HttpServletResponse- . : , , : - , - . request response, javax.servlet.ServletRequest javax.servlet.ServletResponse
4. PrintWriter , OutputStream:
public PrintWriter(OutputStream out);
public PrintWriter(OutputStream out,
boolean autoFlush);
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5.PrintWriter. , PrintStream. , .
6.ResultSet , SQL- get-, . ResultSet.next ResultSet, .
7.java.sql.DriverManager (connection) ; JDBC, ;
8.java.sql.Connection ; , ;
9.java.sql.Statement SQL-; , , ;
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