Find only repeated String attributes in list with Java 8
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I know below is the code to find out the occurrence of each String attributes in list , how can I filter this list with only duplicates item i.e having more than 1 occurrence. Sorry I am new to java 8 . Map<String, Long> result = list.stream() .collect(Collectors.groupingBy(Function.identity(), Collectors.counting()));
java java-8 java-stream
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edited Dec 2 '18 at 19:57
Aomine
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asked Dec 2 '18 at 19:51