WHAT IS AN ITERATOR?

Sumit Kesarwani

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Posted by  Sumit Kesarwani
Java 
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  1. Sumit Kesarwani

    Post:782

    Points:3910
    What is an Iterator?

    Some of the collection classes provide traversal of their contents via a java.util.Iterator interface. This interface allows you to walk through a collection of objects, operating on each object in turn.

    Remember when using Iterators that they contain a snapshot of the collection at the time the Iterator was obtained; generally it is not advisable to modify the collection itself while traversing an Iterator.

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