Thursday, May 5, 2022

Question 12 : How to find duplicate elements in a given integers list in java using Stream functions?


import java.util.*; import java.util.stream.*; public class JavaHungry { public static void main(String args[]) { List<Integer> myList = Arrays.asList(10,15,8,49,25,98,98,32,15); Set<Integer> set = new HashSet(); myList.stream() .filter(n -> !set.add(n)) .forEach(System.out::println); } }

Output:
98, 15

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