Question: Please show a java/c++ code example to find frequent itemsets by Apriori algorithm (if have the PCY version, will be better). Assume we have already

Please show a java/c++ code example to find frequent itemsets by Apriori algorithm (if have the PCY version, will be better). Assume we have already gotten a txt file which is the database needed to be read. This file includes integer only to represent the items. Only need to find frequent pairs. Thank you.

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