Registration Form using JSP + Servlet + JDBC + Mysql Example

In this tutorial, we will learn how to build a registration form step-by-step using the latest version of JSP, Servlet Jakarta API, and MySQL database.

What will we build?

We will build a simple Employee Registration module using JSP, Servlet, JDBC, and MySQL database.

Development Steps

1. Create an Eclipse Dynamic Web Project
2. Add Dependencies
3. Project Structure
4. MySQL Database Setup
5. Create a JavaBean - Employee.java
6. Create an EmployeeDao.java
7. Create an EmployeeServlet.java
8. Create employeeregister.jsp
9. Create employeedetails.jsp
10. Demo

Step 1: Create an Eclipse Dynamic Web Project

To create a new dynamic Web project in Eclipse:

1. On the main menu, select File > New > Project....
2. In the upcoming wizard, choose Web > Dynamic Web Project.
3. Click Next.
4. Enter the project name as jsp-servlet-jdbc-mysql-example.
5. Ensure that the target runtime is set to Apache Tomcat with the currently supported version.

Step 2: Add Dependencies

Add the latest release of the below JAR files to the lib folder:

• jakarta.servlet-api-6.1.0.jar
• mysql-connector-java-8.0.13.jar
• jakarta.servlet.jsp.jstl-api-3.0.0.jar

If you are using a Maven project then add the following dependencies to your pom.xml:

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
    <modelVersion>4.0.0</modelVersion>
    <groupId>net.javaguides.servlet.tutorial</groupId>
    <artifactId>java-servlet-tutorial</artifactId>
    <packaging>war</packaging>
    <version>0.0.1-SNAPSHOT</version>
    <name>java-servlet-tutorial Maven Webapp</name>
    <url>http://maven.apache.org</url>
    <dependencies>
        <dependency>
            <groupId>jakarta.servlet</groupId>
            <artifactId>jakarta.servlet-api</artifactId>
            <version>6.1.0</version>
            <scope>provided</scope>
        </dependency>
        <dependency>
            <groupId>jakarta.servlet.jsp.jstl</groupId>
            <artifactId>jakarta.servlet.jsp.jstl-api</artifactId>
            <version>3.0.0</version>
        </dependency>
        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <version>8.0.13</version>
        </dependency>
    </dependencies>
    <build>
        <finalName>java-servlet-tutorial</finalName>
    </build>
</project>

Explanation:

• This pom.xml file defines the project dependencies and build configuration.
• The jakarta.servlet-api dependency is for using the latest servlet API.
• The jakarta.servlet.jsp.jstl-api dependency is for using JSP standard tag library.
• The mysql-connector-java dependency is for connecting to the MySQL database.

Step 3: Project Structure

Here is the standard project structure for your reference:

Explanation:

• The src/main/java directory contains the Java source files.
• The src/main/webapp directory contains the web application files (JSP pages).
• The pom.xml file is the Maven project file.

Step 4: MySQL Database Setup

Create a database named employees in MySQL and then create an employee table using the following DDL script:

CREATE TABLE `employee` (
   `id` int(3) NOT NULL AUTO_INCREMENT,
   `first_name` varchar(20) DEFAULT NULL,
   `last_name` varchar(20) DEFAULT NULL,
   `username` varchar(250) DEFAULT NULL,
   `password` varchar(20) DEFAULT NULL,
   `address` varchar(45) DEFAULT NULL,
   `contact` varchar(45) DEFAULT NULL,
   PRIMARY KEY (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci;

Explanation:

• The employee table has columns for id, first_name, last_name, username, password, address, and contact.
• The id column is the primary key and is auto-incremented.

Step 5: Create a JavaBean - Employee.java

package net.javaguides.jsp.jdbc.bean;

import java.io.Serializable;

/**
 * JavaBean class used in jsp action tags.
 * @author Ramesh Fadatare
 */
public class Employee implements Serializable {
    private static final long serialVersionUID = 1L;
    private String firstName;
    private String lastName;
    private String username;
    private String password;
    private String address;
    private String contact;

    public String getFirstName() {
        return firstName;
    }

    public void setFirstName(String firstName) {
        this.firstName = firstName;
    }

    public String getLastName() {
        return lastName;
    }

    public void setLastName(String lastName) {
        this.lastName = lastName;
    }

    public String getUsername() {
        return username;
    }

    public void setUsername(String username) {
        this.username = username;
    }

    public String getPassword() {
        return password;
    }

    public void setPassword(String password) {
        this.password = password;
    }

    public String getAddress() {
        return address;
    }

    public void setAddress(String address) {
        this.address = address;
    }

    public String getContact() {
        return contact;
    }

    public void setContact(String contact) {
        this.contact = contact;
    }
}

Explanation:

• The Employee class is a JavaBean that represents the employee data.
• It implements Serializable to allow the bean to be persisted.
• It has getter and setter methods for all fields.

Step 6: Create EmployeeDao.java

package net.javaguides.jsp.jdbc.database;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.SQLException;

import net.javaguides.jsp.jdbc.bean.Employee;

public class EmployeeDao {

    public int registerEmployee(Employee employee) throws ClassNotFoundException {
        String INSERT_USERS_SQL = "INSERT INTO employee" +
            "  (first_name, last_name, username, password, address, contact) VALUES " +
            " (?, ?, ?, ?, ?,?);";

        int result = 0;

        Class.forName("com.mysql.cj.jdbc.Driver");

        try (Connection connection = DriverManager
            .getConnection("jdbc:mysql://localhost:3306/employees?useSSL=false", "root", "root");

            // Step 2:Create a statement using connection object
            PreparedStatement preparedStatement = connection.prepareStatement(INSERT_USERS_SQL)) {
            preparedStatement.setString(1, employee.getFirstName());
            preparedStatement.setString(2, employee.getLastName());
            preparedStatement.setString(3, employee.getUsername());
            preparedStatement.setString(4, employee.getPassword());
            preparedStatement.setString(5, employee.getAddress());
            preparedStatement.setString(6, employee.getContact());

            System.out.println(preparedStatement);
            // Step 3: Execute the query or update query
            result = preparedStatement.executeUpdate();

        } catch (SQLException e) {
            // process sql exception
            printSQLException(e);
        }
        return result;
    }

    private void printSQLException(SQLException ex) {
        for (Throwable e: ex) {
            if (e instanceof SQLException) {
                e.printStackTrace(System.err);
                System.err.println("SQLState: " + ((SQLException) e).getSQLState());
                System.err.println("Error Code: " + ((SQLException) e).getErrorCode());
                System.err.println("Message: " + e.getMessage());
                Throwable t = ex.getCause();
                while (t != null) {
                    System.out.println("Cause: " + t);
                    t = t.getCause();
                }
            }
        }
    }
}

Explanation:

• The EmployeeDao class handles database operations related to employee registration.
• The registerEmployee method inserts a new employee into the database.
• It uses a PreparedStatement to prevent SQL injection.
• The printSQLException method prints detailed SQL exceptions.

Step 7: Create EmployeeServlet.java

package net.javaguides.jsp.jdbc.web;

import java.io.IOException;

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

import net

.javaguides.jsp.jdbc.database.EmployeeDao;
import net.javaguides.jsp.jdbc.bean.Employee;

@WebServlet("/register")
public class EmployeeServlet extends HttpServlet {
    private static final long serialVersionUID = 1L;
    private EmployeeDao employeeDao;

    public void init() {
        employeeDao = new EmployeeDao();
    }

    protected void doPost(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {

        String firstName = request.getParameter("firstName");
        String lastName = request.getParameter("lastName");
        String username = request.getParameter("username");
        String password = request.getParameter("password");
        String address = request.getParameter("address");
        String contact = request.getParameter("contact");

        Employee employee = new Employee();
        employee.setFirstName(firstName);
        employee.setLastName(lastName);
        employee.setUsername(username);
        employee.setPassword(password);
        employee.setContact(contact);
        employee.setAddress(address);

        try {
            employeeDao.registerEmployee(employee);
        } catch (Exception e) {
            e.printStackTrace();
        }

        response.sendRedirect("employeedetails.jsp");
    }
}

Explanation:

• The EmployeeServlet class processes the HTTP request for employee registration.
• It uses the EmployeeDao to save the employee data into the database.
• If registration is successful, it redirects to employeedetails.jsp.

Step 8: Create employeeregister.jsp

<%@ page language="java" contentType="text/html; charset=ISO-8859-1" pageEncoding="ISO-8859-1"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="ISO-8859-1">
<title>Employee Registration Form</title>
</head>
<body>
 <div align="center">
  <h1>Employee Register Form</h1>
  <form action="<%= request.getContextPath() %>/register" method="post">
   <table style="width: 80%">
    <tr>
     <td>First Name</td>
     <td><input type="text" name="firstName" /></td>
    </tr>
    <tr>
     <td>Last Name</td>
     <td><input type="text" name="lastName" /></td>
    </tr>
    <tr>
     <td>UserName</td>
     <td><input type="text" name="username" /></td>
    </tr>
    <tr>
     <td>Password</td>
     <td><input type="password" name="password" /></td>
    </tr>
    <tr>
     <td>Address</td>
     <td><input type="text" name="address" /></td>
    </tr>
    <tr>
     <td>Contact No</td>
     <td><input type="text" name="contact" /></td>
    </tr>
   </table>
   <input type="submit" value="Submit" />
  </form>
 </div>
</body>
</html>

Explanation:

• This JSP file creates an employee registration form.
• The form fields are firstName, lastName, username, password, address, and contact.
• The form's action attribute points to the /register URL, which maps to the EmployeeServlet.

Step 9: Create employeedetails.jsp

<%@ page language="java" contentType="text/html; charset=ISO-8859-1" pageEncoding="ISO-8859-1"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="ISO-8859-1">
<title>Employee Details</title>
</head>
<body>
 <h1>User successfully registered!</h1>
</body>
</html>

Explanation:

• This JSP file displays a success message when an employee is successfully registered.

Step 10: Demo

It's time to see a demo of the above development. Deploy this web application in Tomcat server.

Employee Registration Form

Once you deploy this application successfully, navigate to http://localhost:8080/jsp-servlet-jdbc-mysql-example/employeeregister.jsp to see the registration form:

Registration Success Page

After entering the employee details and submitting the form, if registration is successful, you will be redirected to employeedetails.jsp:

Conclusion

In this tutorial, we learned how to build a simple employee registration module using JSP, Servlet, JDBC, and MySQL databases. By following the steps above, you can create a similar web application for your own use.

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