
What are iterator, iterable, and iteration? - Stack Overflow
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.
java - What is the difference between iterator and iterable and …
Jul 28, 2011 · 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.
python - How to build a basic iterator? - Stack Overflow
Iterator objects in python conform to the iterator protocol, which basically means they provide two methods: __iter__() and __next__(). The __iter__ returns the iterator object and is implicitly …
Difference between Iterator and Spliterator in Java8
Jul 21, 2018 · 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 …
How to correctly implement custom iterators and const_iterators?
Aug 27, 2010 · 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 …
How does next() method on iterators work? - Stack Overflow
Dec 6, 2017 · 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 …
What does the "yield" keyword do in Python? - Stack Overflow
Oct 24, 2008 · 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 …
How to navigate through a vector using iterators? (C++)
The goal is to access the "nth" element of a vector of strings instead of the [] operator or the "at" method. From what I understand, iterators can be used to navigate through containers, but I've ...
java - Iterator vs for - Stack Overflow
Mar 8, 2014 · An iterator solves these problems by providing a generic interface for looping over a set of data so that the underlying data structure or storage mechanism — such as an array- is …
Reset list iterator to first element of the list - Stack Overflow
LinkedList<String> list; Iterator iter=list.listIterator; iter.next(); iter.next(); Over and over again and after many moves of the iterator, I need to "reset" the position of the iterator. I want to ask how …