本文共 1854 字，大约阅读时间需要 6 分钟。

??????????

??????????????????????????Java SDK????????????????? ArrayList?HashSet ? HashMap ??????????????????

???????????

??????????????????????????????????????????????????????????????????????

??????

?????????????????????

List list = Collections.synchronizedList(new ArrayList());synchronized (list) {    Iterator i = list.iterator();    while (i.hasNext()) {        foo(i.next());    }}

????????????????????? this????? list?

??????????

? Java 1.5???Java?????????????????? CopyOnWriteArrayList?ConcurrentHashMap?ConcurrentSkipListMap?CopyOnWriteArraySet ? ConcurrentSkipListSet?

CopyOnWriteArrayList

CopyOnWriteArrayList ?????? List ???????????????????????????????????????????????????

????

CopyOnWriteArrayList ???????? array????????? array??????????? array ??????? newArray??? newArray ????????????? array?????????

?????????

ConcurrentHashMap ? ConcurrentSkipListMap

ConCurrentHashMap ? ConcurrentSkipListMap ? Java ?????? Map ???

CopyOnWriteArraySet ? ConcurrentSkipListSet

CopyOnWriteArraySet ? ConcurrentSkipListSet ? Java ?????? Set ???

??????????

???????????????/????????

ArrayBlockingQueue ? LinkedBlockingDeque

???????? Java ?????????????????????????????????

转载地址：http://xihwz.baihongyu.com/