Question: Please fix my code, I have 3 programs to refactor and I mess them up very bad, if you can, please write a test class
Please fix my code, I have 3 programs to refactor and I mess them up very bad, if you can, please write a test class for these programs thank you very much.
Childrensprice[charge()] Regularprice[getCharge()] NewReleasePrice [getCharge(), getFrequentRenter, Point()
Price [getCharge(), getFrequentRenter, Point()]
Movie [title: String, getCharge(), getFrequentRenterPoint()]
Rental [daysRented:int, getCharge(), getFrequentRenterPoints()]
Customer [ name:String, statement(), htmlStatement(), getTotalCharge(), getTotalFrequentRenterPoint()]
***************************************************
import java.util.* ;
class Customer {
private String _name;
private Vector _rentals = new Vector();
public Customer(String name) {
_name = name;
}
public void addRental(Rental arg) {
_rentals.addElement(arg);
}
public String getName() {
return _name;
}
public String statement() {
Enumeration rentals = _rentals.elements();
String result = "Rental Record for " + getName() + " ";
while (rentals.hasMoreElements()) {
Rental each = (Rental) rentals.nextElement();
//show figures for this rental
result += "\t" + each.getMovie().getTitle()+ "\t" +
String.valueOf(each._movie.getCharge(each)) + " ";
}
//add footer lines
result += "Amount owed is " + String.valueOf(getTotalCharge()) + " ";
result += "You earned " + String.valueOf(getTotalFrequentRenterPoints()) +
" frequent renter points";
return result;
}
public String htmlStatement() {
Enumeration rentals = _rentals.elements();
String result = "
Rentals for " + getName() + "
";
while (rentals.hasMoreElements()) {
Rental each = (Rental) rentals.nextElement();
//show figures for each rental
result += each.getMovie().getTitle()+ ": " + String.valueOf(each._movie.getCharge(each)) + "
";
} //add footer lines
result += "
You owe " + String.valueOf(getTotalCharge()) + "
";
result += "On this rental you earned " +
String.valueOf(getTotalFrequentRenterPoints()) +
" frequent renter points
";
return result;
}
private double getTotalFrequentRenterPoints(){
double result = 0;
Enumeration rentals = _rentals.elements();
while (rentals.hasMoreElements()){
Rental each = (Rental) rentals.nextElement();
result += each._movie.getCharge(each);
}
return result;
}
private double getTotalCharge(){
double result = 0;
Enumeration rentals = _rentals.elements();
while (rentals.hasMoreElements()){
Rental each = (Rental) rentals.nextElement();
result += each._movie.getCharge(each);
}
return result;
}
private int frequentRenterPoints(int frequentRenterPoints, Rental each) {
// add frequent renter points
frequentRenterPoints ++;
// add bonus for a two day new release rental
if ((each.getMovie().getPriceCode() == Movie.NEW_RELEASE) &&
each.getDaysRented() > 1) frequentRenterPoints ++;
return frequentRenterPoints;
}
}
**********************************************
import java.util.* ;
public class Movie {
public static final int CHILDRENS = 2;
public static final int REGULAR = 0;
public static final int NEW_RELEASE = 1;
private String _title;
private Price _price;
public Movie(String title, int priceCode) {
_title = title;
setPriceCode(priceCode);
}
abstract class Price {
abstract int getPriceCode()
{
class ChildrensPrice extends Price {
int getPriceCode() {
Return Movie.CHILDREN; }
}
class NewReleasePrice extends Price {
int getPriceCode() {
Return Movie.NEW_RELEASE;
}
}
class RegularPrice extends Price {
int getPriceCode() {
Return Movie.REGULAR;
}
}
}
}
public int getPriceCode() {
return _price.getPriceCode();
}
public void setPriceCode (int arg) {
switch(arg)
{
case Movie.REGULAR:
_price = new RegularPrice();
break;
case Movie.CHILDREN:
_price = new ChildrensPrice();
break;
case Movie.NEW_RELEASE:
_price = new NewReleasePrice();
break;
default:
throw new IllegalArgumentException(Incorrect Price Code);
}
}
public String getTitle() {
return _title;
}
double getCharge(int daysRented) {
double result = 0;
switch (getPriceCode()) {
case Movie.REGULAR:
result += 2;
if (daysRented > 2)
result += (daysRented - 2) * 1.5;
break;
case Movie.NEW_RELEASE:
result += daysRented * 3;
break;
case Movie.CHILDRENS:
result += 1.5;
if (daysRented > 3)
result += (daysRented - 3) * 1.5;
break;
}
return result;
}
int getFrequentRenterPoints(int daysRented){
if ((priceCode() == Movie.NEW_RELEASE) && daysRented > 1)
return 2;
else
return 1;
}
}
*******************************************
import java.util.* ;
public class Rental {
Movie _movie;
private int _daysRented;
public Rental(Movie movie, int daysRented) {
_movie = movie;
_daysRented = daysRented;
}
public int getDaysRented() {
return _daysRented;
}
public Movie getMovie() {
return _movie;
}
public double getCharge(){
return _movie.getCharge(_daysRented);
}
int getFrequentRenterPoints(){
return _movie.getFrequentRenterPoints(_daysRented);
}
}
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