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Java - Code Samples

 Sample 1. Get all elements greater than 2, sort them and then push them to a new set, using Lambda Expression

// Declare and Initialize the Collection

Set<Integer> intSet = new HashSet<Integer>();

// Add Elements

intSet.add(1);
intSet.add(2);
intSet.add(3);
intSet.add(4);

// Set the predicate or the condition for filtering the elements.

Predicate<Integer> moreThan2Pred = (p) -> (p > 1);

// Use Filter to refine the element set, sort to Sort and Collectors.toSet to get a set out of Stream.

intSet = intSet.stream().filter(moreThan2Pred).sorted().collect(Collectors.toSet());

System.out.println(intSet); // Prints [2, 3, 4]

   Like      Feedback     lambda expression   collections   set  hashset  generics  stream   predicate   filter   sort  java.util.hashset  java.util.stream.Collectors



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