import java.util.Hashtable;
import java.util.Random;

public class UniqueFun {
  
  final static int WINDOW_SIZE = 5;
  
  public static void main(String[] args) {
    Random random = new Random();
    random.setSeed(1234567890);
    int i,c;
    String s;
    
    int numStrings = 15;
    String[] names = {"alice","bob","cindy","doug","elli","fred","ginny","harold"};
    IndexedStringCollection strs = new IndexedStringCollection(numStrings);
    for (i = 0; i < numStrings; i++)
      strs.put(i, names[random.nextInt(names.length)]);

    Hashtable<String,Integer> ht = new Hashtable<String,Integer>(); 

    /////////////////////////////////////
    // ADD CODE HERE AND ONLY HERE.    //
    // USE ONLY THE VARIABLES DECLARED //
    // ABOVE, OR ONE ADDITIONAL STRING //
    // VARIABLE AS MIGHT BE NEEDED TO  //
    // CONSTRUCT A FOR-EACH LOOP.      //
    /////////////////////////////////////
  }
}