Package ants

Class Summary

AntWorld	The model for the ant simulation Contains the field (2-D array) in which Ants and DoodleBugs live Class Invariant: Nr of rows and columns in the gird are positive and do not change once initialized
Critter	Critter is an abstract class from which Ants and DoodleBugs are derived Class Invariant: row and column are non-negative, world is not null No new methods may be added to the Critter class You will need other instance variables to a.