Before running the Java code, create a table in your database.
sql
CREATE TABLE products (
    id INT PRIMARY KEY AUTO_INCREMENT,
    name VARCHAR(50),
    price DOUBLE
);

CREATE PROCEDURE getProductCount()
BEGIN
    SELECT COUNT(*) AS count FROM products;
END;


Java Program Using JDBC Statements
java
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.Statement;
import java.sql.CallableStatement;
import java.sql.ResultSet;
import java.sql.SQLException;

public class JDBCStatementsExample {
    public static void main(String[] args) {
        // JDBC URL, username, and password of MySQL server
        String jdbcURL = "jdbc:mysql://localhost:3306/your_database";
        String username = "root";
        String password = "password";

        // JDBC variables for opening and managing connection
        Connection connection = null;

        try {
            // Load the JDBC driver
            Class.forName("com.mysql.cj.jdbc.Driver");

            // Establish a connection
            connection = DriverManager.getConnection(jdbcURL, username, password);
            System.out.println("Connected to the database!");

            // 1. Using Statement to execute a static SQL query
            Statement statement = connection.createStatement();
            String insertSQL = "INSERT INTO products (name, price) VALUES ('Product1', 100.0)";
            statement.executeUpdate(insertSQL);
            System.out.println("Inserted a product using Statement");

            // 2. Using PreparedStatement to execute a precompiled SQL query with parameters
            String selectSQL = "SELECT * FROM products WHERE price > ?";
            PreparedStatement preparedStatement = connection.prepareStatement(selectSQL);
            preparedStatement.setDouble(1, 50.0);
            ResultSet resultSet = preparedStatement.executeQuery();

            System.out.println("Products with price greater than 50.0:");
            while (resultSet.next()) {
                int id = resultSet.getInt("id");
                String name = resultSet.getString("name");
                double price = resultSet.getDouble("price");

                System.out.println("ID: " + id + ", Name: " + name + ", Price: " + price);
            }
            resultSet.close();
            preparedStatement.close();

            // 3. Using CallableStatement to execute a stored procedure
            CallableStatement callableStatement = connection.prepareCall("{CALL getProductCount()}");
            ResultSet rs = callableStatement.executeQuery();

            if (rs.next()) {
                int count = rs.getInt("count");
                System.out.println("Total number of products: " + count);
            }
            rs.close();
            callableStatement.close();

            // Close the resources
            statement.close();
        } catch (SQLException e) {
            e.printStackTrace();
        } catch (ClassNotFoundException e) {
            e.printStackTrace();
        } finally {
            try {
                if (connection != null) {
                    connection.close();
                    System.out.println("Disconnected from the database.");
                }
            } catch (SQLException ex) {
                ex.printStackTrace();
            }
        }
    }
}