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.

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.

May 9, 2025 · I'm trying to define a custom iterator for a custom container. According to what I have read so far, the iterator class should have a definition such as: //This code comes from …

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 …

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 …

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

In Python, the interface of an iterable is a subset of the iterator interface. This has the advantage that in many cases they can be treated in the same way. However, there is an important semantic

Oct 24, 2008 · So that's the iterator protocol, many objects implement this protocol: Built-in lists, dictionaries, tuples, sets, and files. User-defined classes that implement __iter__(). …

Aug 27, 2010 · Choose type of iterator which fits your container: input, output, forward etc. Use base iterator classes from standard library. For example, std::iterator with …