jodd-json/src/main/java/jodd/json/LazyMap.java
private static <V> Set<V> set(final int size, final V[] array) {
		int index = 0;
		final Set<V> set = new HashSet<>();

		for (final V v : array) {
			set.add(v);
			index++;
			if (index == size) {
				break;
			}
		}
		return set;
	}
private static <V> Set<V> set(final int size, final V[] array) {
		int index = 0;
		final Set<V> set = new HashSet<>();

		for (final V v : array) {
			set.add(v);
			index++;
			if (index == size) {
				break;
			}
		}
		return set;
	}
---------------------------------------------------------------- utils