public static void main(String[] args) {
    // Set up Rick's guitar inventory
    Inventory inventory = new Inventory();
    initializeInventory(inventory);

    Guitar whatErinLikes =
        new Guitar("", 0, "fender", "Stratocastor", "electric", "Alder", "Alder");
    Guitar guitar = inventory.search(whatErinLikes);
    if (guitar != null) {
      System.out.println(
          "Erin, you might like this "
              + guitar.getBuilder()
              + " "
              + guitar.getModel()
              + " "
              + guitar.getType()
              + " guitar:\n   "
              + guitar.getBackWood()
              + " back and sides,\n   "
              + guitar.getTopWood()
              + " top.\nYou can have it for only $"
              + guitar.getPrice()
              + "!");
    } else {
      System.out.println("Sorry, Erin, we have nothing for you.");
    }
  }