Iterate through elements of Java TreeSet example


/*
  Iterate through elements of Java TreeSet example
  This Java Example shows how to iterate through elements Java TreeSet object.
*/

import java.util.TreeSet;
import java.util.Iterator;

public class IterateThroughElementsOfTreeSetExample {

 
public static void main(String[] args) {
 
   
//create object of TreeSet
   
TreeSet tSet = new TreeSet();
   
   
//add elements to TreeSet object
   
tSet.add(new Integer("1"));
    tSet.add
(new Integer("2"));
    tSet.add
(new Integer("3"));
   
   
//get the Iterator
   
Iterator itr = tSet.iterator();
   
    System.out.println
("TreeSet contains : ");
   
while(itr.hasNext())
     
System.out.println(itr.next());
 
}
}

/*
Output would be
TreeSet contains :
1
2
3
*/