Class java.util.Collections

Added Methods
SequencedSet<E> )">newSequencedSetFromMap(SequencedMap<E, Boolean>)  
void , java.util.random.RandomGenerator)">shuffle(List<?>, RandomGenerator)  
SequencedCollection<T> )">unmodifiableSequencedCollection(SequencedCollection<? extends T>)  
(SequencedMap<K, V>) )">unmodifiableSequencedMap(SequencedMap<?, extends, K, ?, extends, V>)  
SequencedSet<T> )">unmodifiableSequencedSet(SequencedSet<? extends T>)