String columns = String.join(", ", columnsArray);

        String values = String.join(", ", valuesArray);
        String sql = "INSERT INTO " + table + " (" + columns + ") VALUES (" + values + ")";
        System.out.println(sql);
        try{
            stmt = conn.createStatement();
            stmt.executeQuery(sql);
        } catch (SQLException e) {
            System.out.println(e.getMessage());
        }