Food have?
display()Toy have?
display() and calculateTax()
Here is a class definition for Goods:
class Goods
{
String description;
double price;
Goods( String des, double pr )
{
description = des;
price = pr;
}
void display()
{
System.out.println( "item: " + description + " price: " + price );
}
}
Here is a skeleton of the class Food,
a child of Goods.
It adds the variable calories.