Welcome to the Treehouse Community

Want to collaborate on code errors? Have bugs you need feedback on? Looking for an extra set of eyes on your latest project? Get support with fellow developers, designers, and programmers of all backgrounds and skill levels here with the Treehouse Community! While you're at it, check out some resources Treehouse students have shared here.

Looking to learn something new?

Treehouse offers a seven day free trial for new students. Get access to thousands of hours of content and join thousands of Treehouse students and alumni in the community today.

Start your free trial

Java Java Objects (Retired) Harnessing the Power of Objects Incrementing and Decrementing

my code has many errors. please tell me how to fix.


public class Example {

public static void main(String[] args) {
    // Your amazing code goes here...
    System.out.println("We are makng a new pez dispenser.");
    PezDispenser dispenser = new PezDispenser("Yoda");
    System.out.printf("The Dispenser character is %s\n",
    if (dispenser.isEmpty()) {
      System.out.println("It is currently empty.");

    if (!dispenser.isEmpty()) {
    System.out.println("It is no longer empty.");
while(dispene.dispense) {
if (dispenser.isEmpty()){
  System.out.println("Ate all the PEZ!");


public class PezDispenser { public static final int MAX_PEZ = 12; private String mCharacterName; private int mPezCount;

public PezDispenser(String characterName) { mCharacterName = characterName; mPezCount = 0; }

public boolean dispense() { boolean wasDispensed = false; if(!isEmpty()) { mPezCount--; wasDispensed = true; } while(dispene.dispense) { System.out.println("Chomp!) } if return wasDispensed; }

public boolean isEmpty() { return mPezCount == 0; }

public void load() { mPezCount = MAX_PEZ; }

public String getCharacterName() { return mCharacterName; } }


if(!isEmpty()) {                                                                                                                         

symbol: method isEmpty()
location: class PezDispenser
./PezDispenser.java:17: error: cannot find symbol
while(dispene.dispense) {
symbol: variable dispene
location: class PezDispenser
./PezDispenser.java:17: error: illegal start of type
while(dispene.dispense) {
./PezDispenser.java:33: error: incompatible types: String cannot be converted to boolean
return mCharacterName;
24 errors

1 Answer

Clayton Perszyk
Clayton Perszyk
Treehouse Moderator 48,837 Points

You might want to start by changing this line: while(dispene.dispense).

Andrew Mitchell
Andrew Mitchell
2,739 Points

Yes i noticed that too, he/she probably meant dispenser