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Registration form in Servlet

In this example you will see how to develop a registration form in Servlet. To develop a registration form you will need to connect your servlet application with database. Here we are using MySQL database.

example for creating registration form with Servlet


STEP 1: Create a Table in your Database

create table Student
(
    name varchar(60),
    email varchar(60),
    pass varchar(100)
)

index.html

<html>
    <head>
        <title>Register form</title>
    </head>
    <body>
        <form method="post" action="register">
        Name:<input type="text" name="name" /><br/>
        Email ID:<input type="text" name="email" /><br/>
        Password:<input type="text" name="pass" /><br/>
        <input type="submit" value="register" />
        </form>
    </body>
</html>

Register.java

import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;
import java.sql.*;

public class Register extends HttpServlet {
    
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
	
        String name = request.getParameter("name");
        String email = request.getParameter("email");
        String pass = request.getParameter("pass");
        
        try {
        
            // loading drivers for mysql
            Class.forName("com.mysql.jdbc.Driver");
            
            //creating connection with the database 
            Connection con = DriverManager.getConnection
                        ("jdbc:mysql:/ /localhost:3306/test","username","password");

            PreparedStatement ps = con.prepareStatement
                        ("insert into Student values(?,?,?)");

            ps.setString(1, name);
            ps.setString(2, email);
            ps.setString(3, pass);
            int i = ps.executeUpdate();
            
            if(i > 0) {
                out.println("You are sucessfully registered");
            }
        
        }
        catch(Exception se) {
            se.printStackTrace();
        }
	
    }
}

web.xml


<?xml version="1.0" encoding="UTF-8"?>

<web-app  version="3.0" 
xmlns="http://java.sun.com/xml/ns/javaee" 
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd" >
   
    <servlet>
        <servlet-name>register</servlet-name>
        <servlet-class>Register</servlet-class>
    </servlet>
    <servlet-mapping>
        <servlet-name>register</servlet-name>
        <url-pattern>/register</url-pattern>
    </servlet-mapping>
    <welcome-file-list>
        <welcome-file>index.html</welcome-file>
    </welcome-file-list>
</web-app>