Java Loop Through List

Iterator and iterable objects in Java. Let's take a look at the difference between these two objects and how to implement the for each loop in a custom class.

Java iterator is mainly used to manipulate collection objects in java. Java provides an iterator interface Iterator. Iterator can only move forward and cannot be rolled back.

Java Iterable interface and the Iterator interface. The class that implements the Iterable interface is iterable; the class that implements the Iterator interface is an iterator.

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From Wikipedia, the free encyclopediajump to:navigation, Searchapache hadoopdeveloped byapache Software RELEASE0.18.2/3 November 2008; Agowritten injavaoscross-platformt ...

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This article describes the use of java iterators to traverse ArrayList collections, Set collections, and Map collections.