@Test public void testIsEmpty() { assertFalse(CollectionUtils.isEmpty(list)); }
public static boolean isEmpty(final Collection<?> collection) { return collection == null || collection.isEmpty(); }
CollectionUtils { public static boolean isEmpty(final Collection<?> collection) { return collection == null || collection.isEmpty(); } }
CollectionUtils { public static boolean isEmpty(final Collection<?> collection) { return collection == null || collection.isEmpty(); }  }
CollectionUtils { public static boolean isEmpty(final Collection<?> collection) { return collection == null || collection.isEmpty(); }  static boolean isEmpty(final Collection<?> collection); static boolean isNotEmpty(final Collection<?> collection); static Map<K, List<V>> groupingBy(final Collection<V> collection, Function<? super V, ? extends K> keyMapper); static PairMap<L, R, List<V>> groupingBy(final Collection<V> collection, Function<? super V, ? extends L> leftMapper, Function<? super V, ? extends R> rightMapper); static Optional<V> matching(final Collection<V> collection, Function<V, ? extends Long> keyMapper, long value); static Optional<V> matching(final Collection<V> collection, Function<V, ? extends Integer> keyMapper, int value); static int sumByInt(Collection<Integer> collection); static long sumByLong(Collection<Long> collection); }
CollectionUtils { public static boolean isEmpty(final Collection<?> collection) { return collection == null || collection.isEmpty(); }  static boolean isEmpty(final Collection<?> collection); static boolean isNotEmpty(final Collection<?> collection); static Map<K, List<V>> groupingBy(final Collection<V> collection, Function<? super V, ? extends K> keyMapper); static PairMap<L, R, List<V>> groupingBy(final Collection<V> collection, Function<? super V, ? extends L> leftMapper, Function<? super V, ? extends R> rightMapper); static Optional<V> matching(final Collection<V> collection, Function<V, ? extends Long> keyMapper, long value); static Optional<V> matching(final Collection<V> collection, Function<V, ? extends Integer> keyMapper, int value); static int sumByInt(Collection<Integer> collection); static long sumByLong(Collection<Long> collection);  }