where is the get.Message() in the PezDispenser and dont see error in my code

public class Example {

public static void main(String[] args) {
    // Your amazing code goes here...
    System.out.println("We are makin a new Pez Dispenser");
  PezDispenser dispenser = new PezDispenser("miguel");
  System.out.printf("The dispenser character is %s \n ",dispenser.getCharacterName());

if(dispenser.isEmpty()) { System.out.println("It is currently empty"); } System.out.println("LOading....."); dispenser.load(); if(!dispenser.isEmpty()) { System.out.println("It is no longer empty"); } while(dispenser.dispense()) { System.out.println("Chomp!"); } if(dispenser.isEmpty()) { System.out.println("Ate all th PEAZ!"); } dispenser.load(4); dispenser.load(2); while(dispenser.dispense()) { System.out.println("Chomp!"); } try{ dispenser.load(400); System.out.println("This will never happen"); }catch(IllegalArgumentException ex) { System.out.println("whoa there"); System.out.println("the error was: %s\n", ex.getMessage()); } } }