Скачать или смотреть SERVLET CONNECTION WITH JDBC AND APACHE TOMCAT|| ADVANCE JAVA VIDEO 3

package com.dss;

import java.io.IOException;
import java.io.PrintWriter;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.SQLException;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;



public class StudentServlet extends HttpServlet {
private static final long serialVersionUID = 1L;
public StudentServlet() {
super();

}
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
response.setContentType("text/html");
PrintWriter writer=response.getWriter();


//get details

String FirstName=request.getParameter("FirstName");
String LastName=request.getParameter("LastName");
String email=request.getParameter("email");
String mobile=request.getParameter("mobile");

String[] s=request.getParameterValues("t1");
StringBuffer sb=new StringBuffer();
for(String ss:s)
{
sb.append(ss+",");
}
String addr = new String(sb);
try {
Class.forName("oracle.jdbc.driver.OracleDriver");
java.sql.Connection conection= DriverManager.getConnection("jdbc:oracle:thin:@localhost:1521:xe","system","pradeep");
PreparedStatement pr=conection.prepareStatement("insert into student values(?,?,?,?,?)");
pr.setString(1, FirstName);
pr.setString(2, LastName);
pr.setString(3, mobile);
pr.setString(4, email);
pr.setString(5, addr);

int x=pr.executeUpdate();
if (x==1) {
writer.println("values are inserted sucewssfully.........");

}
} catch (ClassNotFoundException | SQLException e) {
e.printStackTrace();

}
}}