Class Creature

java.lang.Object
  Thing
      Creature

Direct Known Subclasses:

Ant, Bat, Fly, Tiger

public abstract class Creature
extends Thing

A Creature is a Thing that has specific, 'lively' behaviors.

Since:

2007

Constructor Summary

Creature(java.lang.String name)
Create a Creature with a name.

Method Summary

void	eat(Thing aThing) Creatures may be asked to eat various Things.
abstract void	move() Tell the Creature to move.
void	whatDidYouEat() Make the Creature tell what is in its stomach.

Methods inherited from class Thing

toString

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

Creature

public Creature(java.lang.String name)

Create a Creature with a name.

Parameters:

name - -- the given name of this Creature

Method Detail

eat

public void eat(Thing aThing)

Creatures may be asked to eat various Things. By default, creatures eat whatever they are told AND print a message stating '{this object} has just eaten a {a Thing}.' substituting the concrete details for the part enclosed inside of {}. (the single quotes are not part of the message.)
A creature only remembers the last thing it ate.

Parameters:

aThing - -- what this is told to eat

move

public abstract void move()

Tell the Creature to move. Each creature will print a message stating the way it most commonly moves.

whatDidYouEat

public void whatDidYouEat()

Make the Creature tell what is in its stomach. If there is nothing in its stomach, whatDidYouEat() prints '{name} {class} has had nothing to eat!' If it has something in its stomach, whatDidYouEat() prints '{creature name} {class name} has eaten a {content of stomach}!'
NOTE: The pattern {word} in the text above indicates what attribute value belongs in the output text.