The major difference between Enumeration and Iterator in java is that by using Enumeration, we can only traverse a Collection but by using Iterator, we can also remove an element while traversing the Collection.
while loop, do-while, for each loop etc. They all are index based on traversing methods. But as we know Java is purely object oriented programming language in which we always have possible ways of doing things using objects. So Iterator is a way to traverse the data over the collection o...
而java.uti... 查看原文 Enumerator迭代器和Iterator迭代器区别 Enumeration只有2个函数接口。通过Enumeration,我们只能读取集合的数据,而不能对数据进行修改。 Iterator只有3个函数接口。Iterator除了能读取集合的数据之外,也能数据...同一个集合的内容进行操作时,就可能会产生fail-fast事件。 有关fail—fast机制 查看...
具体迭代器(Concrete Iterators)实现遍历集合的一种特定算法。...{ abstract class Iterator : IEnumerator { object IEnumerator.Current => Current();...class AlphabeticalOrderIterator : Iterator { private WordsCollection _collection;...An iterator may have a lot of // other fields for storing ...
1,000 Elements - no difference too. (server - client/ 1.4 - 1.5). Made a minor modifikation in the source, - no difference too. I cannot reproduce the difference. Perhaps tomorrow, after rebooting. Conclusion: If you have a java-program - run it twice?
(the iterator deps ()), does now almost exactly what the recursive version was doing, the only difference is that it now also manages the array of packages to visit (and of course it doesn't recurse itself, the iteration is managed in the main program by calling the iterator in a ...