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 how to ...
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.
Which is more efficient, a for-each loop, or an iterator?
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 …
java - Iterator vs for - Stack Overflow
Mar 8, 2014 · 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?
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 Iterator and …
How to correctly implement custom iterators and const_iterators?
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 …
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 called at the …
Difference between Java Enumeration and Iterator
Jun 4, 2009 · What is the exact difference between these two interfaces? Does Enumeration have benefits over using Iterator? If anyone could elaborate, a reference article would be appreciated.
Difference between Python's Generators and Iterators
What is the difference between iterators and generators? Some examples for when you would use each case would be helpful.
Incrementing iterators: Is ++it more efficient than it++?
Oct 26, 2018 · 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 …