Thursday 29 November 2012

Iterate a ArrayList Using Iterator

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  1. import java.util.ArrayList;
  2. import java.util.Iterator;
  3.  
  4. public class IterateThroughArrayListUsingIteratorExample {
  5.  
  6.   public static void main(String[] args) {
  7.    
  8.     //create an ArrayList object
  9.     ArrayList arrayList = new ArrayList();
  10.    
  11.     //Add elements to Arraylist
  12.     arrayList.add("1");
  13.     arrayList.add("2");
  14.     arrayList.add("3");
  15.     arrayList.add("4");
  16.     arrayList.add("5");
  17.    
  18.     //get an Iterator object for ArrayList using iterator() method.
  19.     Iterator itr = arrayList.iterator();
  20.    
  21.    
  22.     System.out.println("Iterating through ArrayList elements...");
  23.     while(itr.hasNext())
        {
  24.       System.out.println(itr.next());
  25.     }
  26.   }
  27. }

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