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作业

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荒天雷

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

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

        // TODO:

        var st = new StringJoiner(", ","SELECT "," FROM ");

        for (String f:fields){

             st.add(f);

        }

        return st.toString()+table;

    }


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