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交作业

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Carol-zyl

#1 Created at ... [Delete] [Delete and Lock User]

  static String buildSelectSql(String table, String[] fields) {

        // TODO:

        var sj = new StringJoiner(", ", "SELECT ", " FROM "+table);

        for (String field : fields) {

            sj.add(field);

        }

        System.out.println(sj.toString());

        return sj.toString();

    }


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