CollectionUtils

Static helper class for use dealing with Collections.

class CollectionUtils {

}

Members

asSet Set!(E) asSet(E[] elements): Undocumented in source. Be warned that the author may not have intended to support it.
isEmpty bool isEmpty(Collection!(T) c): Returns {@code true} if the specified {@code Collection} is {@code null} or {@link Collection#isEmpty empty}, {@code false} otherwise.
isEmpty bool isEmpty(Map!(K, V) m): Returns {@code true} if the specified {@code Map} is {@code null} or {@link Map#isEmpty empty}, {@code false} otherwise.
size int size(Collection!T c): Returns the size of the specified collection or {@code 0} if the collection is {@code null}.
size int size(Map!(K, V) m): Returns the size of the specified map or {@code 0} if the map is {@code null}.