Iterator: Iterator are the object which call next method and transverse through the sequence. On calling the next method it returns the object that it traversed currently.

2011年7月28日 · Iterator is class that manages iteration over an Iterable. It maintains a state of where we are in the current iteration, and knows what the next element is and how to get it.

Iterator is an interface in the Java Collections framework that provides methods to traverse or iterate over a collection. Both iterator and for loop acts similar when your motive is to just traverse over a …

2018年7月21日 · I came to know while studying that Parallelism is a main advantage of Spliterator. This may be a basic question but can anyone explain me the main differences between Iterator and …

2014年3月8日 · I was asked in an interview what is the advantage of using iterator over for loop or what is the advantage of using for loop over iterator? Can any body please answer this?

2010年8月27日 · The reverse iterator is work for nothing, since the standard library provides a reverse-iterator adapter. And you failed to make the iterator type assignable from the const iterator.

What is the difference between iterators and generators? Some examples for when you would use each case would be helpful.

2018年10月26日 · The reason is that if the iterator class itself is at all complex, then because it++ has to return the value before it is incremented, the implementation will generally make a copy. Vector …

2017年12月6日 · At the very first iteration, the iterator starts pointing to element with index 0? or like the "index -1" ? I ask because as far as I know the next() method returns the next element in the collection.

2008年10月24日 · An iterable returns an iterator upon calling the iter () on the iterable, and an iterator doesn't always have to store its values in memory, depending on the implementation of the iter …