Returns {@code true} if the specified {@code Collection} is {@code null} or {@link Collection#isEmpty empty},
{@code false} otherwise.
@param c the collection to check
@return {@code true} if the specified {@code Collection} is {@code null} or {@link Collection#isEmpty empty},
{@code false} otherwise.
Returns {@code true} if the specified {@code Collection} is {@code null} or {@link Collection#isEmpty empty}, {@code false} otherwise.
@param c the collection to check @return {@code true} if the specified {@code Collection} is {@code null} or {@link Collection#isEmpty empty}, {@code false} otherwise.