java collection类图

AbstractList

+ attribute1:type = defaultValue+ attribute2:type- attribute3:type

+ operation1(params):returnType- operation2(params)- operation3()

AbstractSet

Set

Stack

AbstractQueue

ListIterator

boolean hasPrevious();E previous();int nextIndex();int previusIndex();void remove();void set(E e);void add(E e);

ArrayList

transient Object[] elementData;- int size;

AbstractCollection

Collection

int size();boolean isEmpty();boolean contains(Object o);Iterator iterator();Object[] toArray();boolean add(E e);boolean remove(Object o);boolean containsAll(Collectionc);boolean addAll(Collection c);

List

Queue

boolean offer(E e);E remove();E poll();E element();E peek();

HashSet

Vector

Iterator

boolean hasNext();E next();

+abstract int size();+abstract boolean isEmpty();+abstract Enumeration keys();+abstract Enumeration elements();

Iterable

Iterator iterator();