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UtilsForCollections.java

public static <T> List<T> toList(Collection<T> collection) {
    return collection.stream().collect(Collectors.toList());
}
public static <T> Set<T> toSet(Collection<T> collection) {
    return UtilsForCollections.toSet(collection, false);
}
public static <T> Set<T> toSet(Collection<T> collection, boolean preserveOrder) {
    if (preserveOrder) {
        return collection.stream()
          .collect(Collectors.toCollection(LinkedHashSet::new));
    }
    return collection.stream().collect(Collectors.toSet());
}