Error: method dispense() is already defined in class PezDispenser public boolean dispense(){ 1 error

public class Example {

    public static void main(String[] args) {
      System.out.println("We are making a new Pez Dispenser.");
      PezDispenser dispenser = new PezDispenser("Donatello");
      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 the PEZ!");
      }
      dispenser.load(4);
      dispenser.load(2);
      while (dispenser.dispense()) {
        System.out.println("Chomp!");
      }
      }
}

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

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

  public boolean dispense(){
    boolean wasDispensed = false;
    if (!isEmpty()){
      mPezCount--;
      wasDispensed = true;
    }
    return wasDispensed;

  }

  public boolean dispense(){
    boolean wasDispensed = false;
    if (!isEmpty()) {
      mPezCount--;
      wasDispensed = true;
    }
    return wasDispensed;
  }

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

  public void load(int pezAmount){
    mPezCount += pezAmount;
  }

  public void load(){
    load(MAX_PEZ);
  }

  public String getCharacterName(){
    return mCharacterName;
  }
}
'''

Please help!