Sample to access MySQL from Spring MVC.

gistfile1.java

try {
    Class.forName("com.mysql.jdbc.Driver"); // Load driver
    Connection con = DriverManager.getConnection(
            "jdbc:mysql://localhost/db_name?useUnicode=true&characterEncoding=UTF-8",
            "db_user",
            "db_password"
        );
    Statement state = con.createStatement();

    String sql = "INSERT INTO `users` (`username`, `password`) VALUES ('hoge', 'fuga')";
    state.execute(sql);
    con.close();
} catch (ClassNotFoundException e) {
    logger.error(e.getMessage());
} catch (SQLException e) {
    logger.error(e.getMessage());
} catch (Exception e) {
    logger.error(e.getMessage());
}