Set demo from week 4

SetDemo.java

package java112.labs1;

import java.io.*;
import java.util.*;

/**
 * @author Eric Knapp
 * class SetDemo
 * TODO: comment
 */
public class SetDemo {

    public void run() {

        Set<String> set = new TreeSet<String>();

        set.add("Three");
        set.add("One");
        set.add("Four");
        set.add("Two");
        set.add("Four");
        set.add("Four");
        set.add("Four");
        set.add("Four");
        set.add("Four");
        set.add("Four");

        System.out.println(set);
        
        
        
        for (Iterator iterator = set.iterator(); iterator.hasNext();  ) {
            String element = (String)iterator.next();
            System.out.println(element);
        }
        
        System.out.println();
        
        for (String element : set) {
            System.out.println(element);
        }
        

    }

    public static void main(String[] args) {
        SetDemo demo = new SetDemo();
        demo.run();
    }

}