/**
 * Animal interface
 *
 *   All class implementing this interface will have to implement toEat()
 *
 *   constants are:  public static final  by default.  No need to add 
 *   methods   are:  public abstract      by default.  No need to add  
 */

public interface Animal
{

    String PLACE = "Animal Kingdom";		//define a constant

    public abstract String toEat( );		//define an abstract method

}