1. Use the code tags to post code. 2. Follow the java convention: class names should start with an uppercase letter. 3. In case of "What did I (do) wrong?", describe what is the problem. In this case, you could post the error message. 4. Finally (and to help with your problem), the method 'eat' doesn't exist in the 'Actor' class. It exists in the 'Animal' class, but your class doesn't extend it, so it doesn't inherit its methods. Furthermore, the 'eat' method in the 'Animal' class needs an actor as the parameter and not a class. You can either create a method named 'eat' or you simply use a method which already exists in the 'Actor' class: 'removeTouching'.

To be sure, the 'eat' method in the 'Animal' class needs a class, not an actor, as the parameter. Of note, the difference between the pairing of 'canSee' and 'eat' with the pairing of 'isTouching' and 'removeTouching' is that the touching methods acquire other objects whose images intersect any part of the image of the actor while the Animal class methods only acquire other objects whose images intersect the center-point of the image of the actor.