replacing conditional logic on price code with polymorphism - self encapsulate field on the type cod
replacing conditional logic on price code with polymorphism - change accessors for the price code to use Price.java
replacing conditional logic on price code with polymorphism - apply move method to getCharge
replacing conditional logic on price code with polymorphism - getCharge conditional
replacing conditional logic on price code with polymorphism - movie method getFrequentRenterPoint to Price.java
replacing conditional logic on price code with polymorphism - getFrequentRenterPoints