Build Polymorphic Architectures and Lower the Cost of Developing Good Software

Build Polymorphic Architectures and Lower the Cost of Developing Good Software
JDJ 5-8 p70


public Class Drink implements Drinkable
{
public Drink(){}
public String ingest(){return new String("drank");}
}


public Class Milk extends Drink
{
public Milk(){}
public String ingest()
{
return new String("Does a body good");
}
}
public Class Vodka extends Drink
{
public Vodka(){}
public String ingest()
{
return new String("You are now tipsy");
}
}