String sql = "CREATE TABLE users (user_id int AUTO_INCREMENT,"
        + " user_name varchar(255),"
        + " user_email varchar(255) UNIQUE, "
        + " PRIMARY KEY(user_id))";
try (Connection conn = DriverManager.getConnection(
        "jdbc:mysql://localhost:3306/my_db?useSSL=false&characterEncoding=utf8",
        "root", "coderslab");
        Statement stat = conn.createStatement()) {
        stat.executeUpdate(sql);
} catch (SQLException e) {
    e.printStackTrace();
}