ItemSet.java Source code

Introduction

Here is the source code for ItemSet.java

Source

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

public class ItemSet {
    public static void main(String args[]) {
        String names[] = { "Item 1", "Item 2", "Item 3" };
        Set moons = new HashSet();
        int namesLen = names.length;
        int index;
        for (int i = 0; i < 100; i++) {
            index = (int) (Math.random() * namesLen);
            moons.add(names[index]);
        }
        Iterator it = moons.iterator();
        while (it.hasNext()) {
            System.out.println(it.next());
        }
        System.out.println("---");
        Set orderedMoons = new TreeSet(moons);
        it = orderedMoons.iterator();
        while (it.hasNext()) {
            System.out.println(it.next());
        }
    }
}