Java - problema con conexion BBDD

import java.sql.Connection;

import java.sql.DriverManager;

import java.sql.SQLException;

public class AdministradorDeConexiones {

    private static final String DB_DRIVER = "com.mysql.djbc.Driver";

    private static final String DB_CONN_STRING = "jdbc:mysql://localhost:3306/cafe";

    private static final String DB_USER = "root";

    private static final String DB_PASSWORD = "";

    public static Connection obtenerConexion(){

        Connection cn = null;

        try {

            Class.forName(DB_DRIVER);

            cn = DriverManager.getConnection(DB_CONN_STRING, DB_USER, DB_PASSWORD);

        } catch (ClassNotFoundException | SQLException ex) {

            ex.printStackTrace(System.out);

        }

        return cn;

    }

}