Java Collection Tutorial - Java TreeSet.iterator()

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Syntax

TreeSet.iterator() has the following syntax.

public Iterator <E> iterator()

Example

In the following code shows how to use TreeSet.iterator() method.

/* w ww  .j av  a  2 s.  c  o m*/
import java.util.Iterator;
import java.util.TreeSet;

public class Main {
   public static void main(String[] args) {
      
      TreeSet <Integer> treeadd = new TreeSet<Integer> ();
     
      treeadd.add(1);
      treeadd.add(13);
      treeadd.add(17);
      treeadd.add(22);
     
      Iterator<Integer> iterator = treeadd.iterator();
        
      while (iterator.hasNext()){
         System.out.println(iterator.next());
      }
   }     
}

The code above generates the following result.

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