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Java Iterator with Example

In this tutorial we will see about the iterator interface and its functionality. We will create an example for the Java Iterator

  • Iterator is an interface in the collection framework
  • It traverses through all the elements of the collection.
  • It works like enumeration.
  • It has methods hasNext() and next().

Java Iterator Example

import java.util.*;    
public class iterator {
    public static void main(String[] args) {
        List list=new ArrayList();

        for (int i = 0; i <5 ; i++) {
        list.add(new Random().nextInt(10));
        Iterator i=list.iterator();


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