package com.logicbig.example.collectors;
import java.util.Set;
import java.util.stream.Collectors;
import java.util.stream.IntStream;
public class ToUnmodifiableSetExample {
public static void main(String... args) {
Set<Integer> set = IntStream.range(1, 5)
.boxed()
.collect(Collectors.toUnmodifiableSet());
System.out.println(set);
System.out.println(set.getClass().getTypeName());
}
}
Output
[4, 3, 2, 1]
java.util.ImmutableCollections$SetN
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