java.lang.String
    public final class String
    extends Object
    implements Comparable<String>, ...
java.util.ArrayList<E>
    public class ArrayList<E>
    extends AbstractList<E>
    implements Iterable<E>, Collection<E>, List<E>, ...
java.util.LinkedList<E>
    public class LinkedList<E>
    extends AbstractSequentialList<E>
    implements Iterable<E>, Collection<E>, Deque<E>, List<E>, ...
java.util.HashSet<E> 
    public class HashSet<E>
    extends AbstractSet<E>
    implements Set<E>, ...
java.util.TreeSet<E> 
    public class TreeSet<E>
    extends AbstractSet<E>
    implements NavigableSet<E>, ...
java.util.HashMap<K,V> 
    public class HashMap<K,V>
    extends AbstractMap<K,V>
    implements Map<K,V>, ...
java.util.TreeMap<K,V> 
    public class TreeMap<K,V>
    extends AbstractMap<K,V>
    implements NavigableMap<K,V>, ...
