* the iterator is created, in any way except through the iterator's own * <tt>remove</tt> method, the iterator will throw a {@link* ConcurrentModificationException}. Thus, in the face of concurrent * modification, the iterator fails quickly and cleanly, rather than risking * arbitrary, no...
private class KeyIterator extends LinkedHashIterator<K> { public K next() { return nextEntry().getKey(); } } // Value 迭代器,Values(Collection) private class ValueIterator extends LinkedHashIterator<V> { public V next() { return nextEntry().value; } } // Entry迭代器,EntrySet private c...
privateabstractclassLinkedHashIterator<T>implementsIterator<T>{Entry<K,V> nextEntry = header.after;Entry<K,V> lastReturned =null;/** * The modCount value that the iterator believes that the backing * List should have. If this expectation is violated, the iterator * has detected concurrent mo...
* faster to iterate using our linked list. */voidtransfer(HashMap.Entry[] newTable) {intnewCapacity = newTable.length;// 与HashMap相比,借助于双向链表的特点进行重哈希使得代码更加简洁for(Entry<K,V> e = header.after; e != header; e = e.after) {intindex= indexFor(e.hash, newCapacity...
* The bin count threshold for using a tree rather than list for a * bin. Bins are converted to trees when adding an element to a * bin with at least this many nodes. The value must be greater * than 2 and should be at least 8 to mesh with assumptions in ...
If the map is modified while an iteration over the set is in progress (except through the iterator's own remove operation, or through the setValue operation on a map entry returned by the iterator) the results of the iteration are undefined. The set supports element removal, which removes ...
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The iterators returned by the iterator method of the collections returned by all of this class's collection view methods are <em>fail-fast</em>: if the map is structurally modified at any time after the iterator is created, in any way except through the iterator's own remove method, the...
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For the second test case we are going to have multipleThreadsremovingStringelements from eachQueueimplementation class. All queue implementation classes will be pre–populated with theStringelements from the previous test case. EveryThreadwill remove a single element from eachQueueimplementation class unti...