Detailed explanation of finding duplicate data instances in Java list
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Java
Detailed explanation of finding duplicate data instances in Java list
Requirements:
Find all duplicate data in a list set. There may be more than one pile of duplicate data, such as AA, BB, AA, CC, DD, AA. If there are duplicate data, these duplicate data shall be numbered, and the above data shall be changed to: Aa1, BB1, aa2, BB2, DD
The algorithm is as follows:
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