/*
  Author:  James Tam
  Version: March 1, 2021

  Learning objective: all Java classes inherit from class Object
  even if it's not explicitly included in the class definition.
*/

public class Z
{
    public String toString()
    {
        String s = super.toString();
        s = s + " : " + "...back in Z.toString()";  
        return(s);
    }
}