Write a Java program to use classes and objects to implement Movie Ticketing Sys

Question

Write a Java program to use classes and objects to implement Movie Ticketing System problem in PA05/Q2 Create a class Customer with the following instance variables:

- String: customerName ie. First name Last name

- String: memberID // this could be null for non-members

- String movieName

- double: memberDiscount // as %

- double: movieTicketCost

- double: discountAmount // calculated value from above values

- double: salesTaxAmount // calculated value from above values

- double: netMovieTicketCost // calculated value from above values

The class shall have a final instance variable of type double, named SALES_TAX_PERCENTAGE and initialized to 7.4%.

Define 2 overloaded constructors to create objects, as follows:

Customer(customerName,movieName, movieTicketCost)

Customer(customerName,movieName, memberID, movieTicketCost)

When the first constructor gets invoked ie. non-member customers, set the memberID and memberDiscount to null and 0%.

When the second constructor with memberID gets invoked, set the memberID and initialize the memberDiscount to a default 5%.

Implement getter and setter methods for all the instance variables. The class shall have the following class methods:

- CalculateDiscount() // discount % will be scratch card discount + memberdiscount

- CalculateSalesTax () - CalculateNetMovieTicketCost()

This method will call CalculateDiscount() and CalculateSalesTax() and set the discountAmount and salesTax instance variables. Then calculate net movie ticket cost as :

netMovieTicketCost = movieTicketCost - discountAmount + salesTaxAmount

- toString() This method must display the output in the following format: Customer Name: Movie Ticket Cost: Total Discount: Sales Tax: Net Movie Ticket Cost Amount: Write a test class TestCustomer with main() method to test the Customer class implementation. Instantiate 3 Customer class objects as follows:

cust1 = Customer(“John Doe”, “Movie 1’’, 12.99)

cust2 = Customer(“David Fields”, “Movie 2”, “8877”, 13.99)

cust3 = Customer(“Carol smith”, “Movie 3”, 5.75)

Calculate and display the net movie ticket cost for each of the above customer objects. Then make the cust3 to become a member by setting the memberID using the corresponding setter method. i.e. cust3.setMemberID(“9250”) Again calculate and display the net movie ticket cost for each of the above customer objects. Evaluation Criteria:

1. You must use the class template in your program classes

2. The program must not have any compilation or runtime errors

Explanation / Answer

public class TestCustomer {
  
   public static void main(String args[]) {
       Customer cust1 = new Customer("John Doe", "Movie 1", 12.99);
       Customer cust2 = new Customer("David Fields", "Movie 2", "8877", 13.99);
       Customer cust3 = new Customer("Carol smith", "Movie 3", 5.75);      
      
       cust1.calculateNetMovieTicketCost();
       cust2.calculateNetMovieTicketCost();
       cust3.calculateNetMovieTicketCost();
      
       System.out.println(" Customer-1 " + cust1.toString());
       System.out.println(" Customer-2 " + cust2.toString());
       System.out.println(" Customer-3 " + cust3.toString());
      
       cust3.setMemberID("9250");
       cust3.setMemberDiscount(5);
       System.out.println(" Customer-3 " + cust3.toString());
   }
  
}

-----------------------------------------------------------------------------------------------------------------------------------------------------

public class Customer {

   public final static double SALES_TAX_PERCENTAGE = 7.4;
  
   private String customerName;
   private String memberID;
   private String movieName;
   private double memberDiscount;
   private double movieTicketCost;
   private double discountAmount;
   private double salesTaxAmount;
   private double netMovieTicketCost;
  
   public Customer(String customerName, String movieName, double movieTicketCost) {
       this.customerName = customerName;
       this.movieName = movieName;
       this.movieTicketCost = movieTicketCost;
       this.memberDiscount = 0.0;
   }
  
   public Customer(String customerName, String movieName, String memberID, double movieTicketCost) {
       this.customerName = customerName;
       this.movieName = movieName;
       this.memberID = memberID;
       this.movieTicketCost = movieTicketCost;
       this.memberDiscount = 5.0;
   }

   public String getCustomerName() {
       return customerName;
   }

   public void setCustomerName(String customerName) {
       this.customerName = customerName;
   }

   public String getMemberID() {
       return memberID;
   }

   public void setMemberID(String memberID) {
       this.memberID = memberID;
   }

   public String getMovieName() {
       return movieName;
   }

   public void setMovieName(String movieName) {
       this.movieName = movieName;
   }

   public double getMemberDiscount() {
       return memberDiscount;
   }

   public void setMemberDiscount(double memberDiscount) {
       this.memberDiscount = memberDiscount;
   }

   public double getMovieTicketCost() {
       return movieTicketCost;
   }

   public void setMovieTicketCost(double movieTicketCost) {
       this.movieTicketCost = movieTicketCost;
   }

   public double getDiscountAmount() {
       return discountAmount;
   }

   public void setDiscountAmount(double discountAmount) {
       this.discountAmount = discountAmount;
   }

   public double getSalesTaxAmount() {
       return salesTaxAmount;
   }

   public void setSalesTaxAmount(double salesTaxAmount) {
       this.salesTaxAmount = salesTaxAmount;
   }

   public double getNetMovieTicketCost() {
       return netMovieTicketCost;
   }

   public void setNetMovieTicketCost(double netMovieTicketCost) {
       this.netMovieTicketCost = netMovieTicketCost;
   }
  
   public double calculateDiscount() {
       /*
       * TODO
       * No information provided about scratch card discount
       */
       double scratchCardDiscount = 2.0;
       return this.memberDiscount + scratchCardDiscount;
   }
  
   public double calculateSalesTax() {
       return ((movieTicketCost-discountAmount) * SALES_TAX_PERCENTAGE/100.0);
   }

   public double calculateNetMovieTicketCost() {
       this.discountAmount = (movieTicketCost * calculateDiscount()/100.0);
       this.salesTaxAmount = calculateSalesTax();
       this.netMovieTicketCost = (movieTicketCost - discountAmount) + salesTaxAmount;
      
       return netMovieTicketCost;
   }
  
   @Override
   public String toString() {
       return "Customer Name : " + this.customerName + " "
           + "Movie Name : " + this.movieName + " "
           + "Ticket Cost : " + this.movieTicketCost + " "
           + "Discount Amount : " + this.discountAmount + " "
           + "Sales Tax Amount : " + this.salesTaxAmount + " "
           + "Net Movie Ticket Cost : " + this.netMovieTicketCost + " ";          
   }
}

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