Iterator Usage

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

public class IteratorUsage {

public static void main(String[] args) {
// created a sorted tree set
Set elementSet = new TreeSet();
elementSet.add("A");
elementSet.add("B");
elementSet.add("C");
// create a iterator
Iterator itr = elementSet.iterator();
// Iterate
while (itr.hasNext()) {
String value = itr.next();
System.out.println(value);
}
}
}