public static <V> Map<String, V> parseToMap(JsonObject jo) { Map<String, V> map = CollectionKit.newHashMap(); if (jo != null) { List<String> names = jo.names(); for (String name : names) { map.put(name, (V) jo.get(name)); } } return map; }
/** ιεδΊ€ι */ public static final <T> Set<T> intersection(Set<T> set1, Set<T> set2) { if (set1 == null || set2 == null) { return null; } if (set1.isEmpty() || set2.isEmpty()) { return Collections.emptySet(); } Set<T> result = CollectionKit.createHashSet(); Set<T> smaller = (set1.size() > set2.size()) ? set2 : set1; Set<T> bigger = (smaller == set2) ? set1 : set2; for (T value : smaller) { if (bigger.contains(value)) { result.add(value); } } return result; }