I am new in Java and I’m really confused with iterator and iterable. Can anyone explain to me and give some examples? 14 Answers 14
I am wondering why the Iterable interface does not provide the stream() and parallelStream() methods. Consider the following class: public class Hand implements Iterable<Card> { private final List<Card> list...
In Java 8 we have the class Stream<T>, which curiously have a method Iterator<T> iterator() So you would expect it to implement interface Iterable<T>, which requires exactly this method,...
If I have a collection, such as Collection<String> strs, how can I get the first item out? I could just call an Iterator, take its first next(), then throw...
In my application I use 3rd party library (Spring Data for MongoDB to be exact). Methods of this library return Iterable<T>, while the rest of my code expects Collection<T>....
I have an interface which returns java.lang.Iterable<T>. I would like to manipulate that result using the Java 8 Stream API. However Iterable can’t “stream”. Any idea how to use...
What is the most basic definition of “iterable”, “iterator” and “iteration” in Python? I have read multiple definitions but I am unable to identify the exact meaning as it...
Is there a method like isiterable? The only solution I have found so far is to call hasattr(myObj, '__iter__') But I am not sure how fool-proof this is. 2...
An Iterable is a simple representation of a series of elements that can be iterated over. It does not have any iteration state such as a “current element”. Instead, it has...