Generators and iterators are two ways of creating and consuming sequences of values in Java. They can help you write concise and expressive code that can handle large or infinite data sources ...

An Iterator is an object that can be used to loop through collections, like ArrayList and HashSet. It is called an "iterator" because "iterating" is the technical term for looping. Here is an example ...

Java Iterator vs. Enumeration methods. Another reason why developers most often choose the Iterator is its ease of use and its shorter method names. For reference, the two key methods of the ...

【Java工程师面试复习指南】本仓库涵盖大部分Java程序员所需要掌握的核心知识，整合了互联网上的很多优质Java技术文章 ...

Should I be using one over the other? I deal with the Vector class a lot, and I was just wondering, is it more efficient to use Enumerations and e.nextElement() to loop through all of the elements ...

First, hasNext() should not call next(). The standard contract for hasNext() is that it can be called any number of times without changing the iterator, while the standard contract for next() is ...

In the failSafeIterator() method, an Iterator has been created based upon the Java collection class named servers. But while the loops processes the list, the underlying collection class will be ...