Answer to Question #271636 in Java | JSP | JSF for bbb

Question

Retail store has preferred Customer plan. The amount of customer discount is determined by amount of customercumulative purchases in store. When preferred customer spends $500, he gets 5% discount on future purchases. When preferred customer spends $1,000, he gets 6% discount on future purchases. When preferred customer spends $1,500, he gets 7% discount on future purchases. When preferred customer spends $2,000, he gets 10% discount on all future purchases. Design class named PreferredCustomer which is derived from CustomerData class. PreferredCustomer class have:purchasesAmount (a double) ,discountLevel (a double).The purchasesAmount variable holds total of customer’s purchases to date. The discountLevel variable should be set to correct discount percentage according to store preferred customer plan. Also calculate discount Amount based on discount. Now in Main class create ArrayList and add customers into it and display the customers details purchase of each customer along with discount he gets

Answer 1

SOLUTION CODE

package com.company;
import java.util.*;



class CustomerData {

    String name;



    public CustomerData(String name) {
        this.name = name;
    }

    public CustomerData() {

    }

    public String toString() {
        return "Customer name = " + name ;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }


}

class PreferredCustomer extends CustomerData{
    double purchasesAmount;
    double discountLevel;
    public PreferredCustomer(String name, double purchasesAmount) {
        super(name);
        this.purchasesAmount = purchasesAmount;
        
    }
    

    public double getPurchasesAmount() {
        return purchasesAmount;
    }

    public void setPurchasesAmount(double purchasesAmount) {
        this.purchasesAmount = purchasesAmount;
    }

    public double getdiscountLevel() {
        return discountLevel;
    }

    public void setdiscountLevel(double purchasesAmount) {
        if(this.purchasesAmount > 2000)
        {
            this.discountLevel = 10;
        }
        else if(this.purchasesAmount > 1500)
        {
            this.discountLevel = 7;
        }
        else if(this.purchasesAmount > 1000)
        {
            this.discountLevel = 6;
        }
        else{
            this.discountLevel = 5;
        }

    }
    
    //calculate discount amount
    public double discountAmount()
    {
        return (purchasesAmount * discountLevel)/100;
    }

    public String toString() {
        return "Customer purchases Amount = " + purchasesAmount+"Customer discount Level = "
                + discountLevel+" Discount Amount = "+discountAmount();
    }

}

public class Main{

    public static void main(String[] args) {

        
        List<PreferredCustomer> listOfCustomers= new ArrayList<PreferredCustomer>();
        PreferredCustomer customer1 = new PreferredCustomer("Kelly",2200);
        PreferredCustomer customer2 = new PreferredCustomer("sarah", 700);

        listOfCustomers.add(customer1);

        listOfCustomers.add(customer2);

        System.out.println(" Customer 1 = " + customer1);
        System.out.println(" Customer 2 = " + customer2);
        



    }
}