Define a class named Customer with the following description:

Instance variables /Data members:

String cardName — Name of the card holder.

long cardNo — Card Number.

char cardType — Type of card, 'P' for Platinum, 'G' for Gold, 'S' for Silver.

double purchaseAmount — The amount of purchase done on card.

double cashback — The amount of cashback received.

Member methods:

Customer(String name, long num, char type, double amt) — Parameterised constructor to initialize all data members.

void compute() — To compute the cashback based on purchase amount as follows:

1. For Silver ('S'), 2% of purchase amount
2. For Gold ('G'), 5% of purchase amount
3. For Platinum ('P'), 8% of purchase amount

void display() — To display the details in the below format:

Card Holder Name:
Card Number:
Purchase Amount:
Cashback:

Write a main method to input the card details from the user then create object of the class and call the member methods with the provided details.

import java.util.Scanner;

public class Customer
{
    String cardName;
    long cardNo;
    char cardType;
    double purchaseAmount;
    double cashback;

    public Customer(String name, 
                    long num, 
                    char type, 
                    double amt) {
        cardName = name;
        cardNo = num;
        cardType = type;
        purchaseAmount = amt;
        cashback = 0;
    }
    
    void compute() {
        switch (cardType) {
            case 'S':
            cashback = 2.0 * purchaseAmount / 100.0;
            break;
            
            case 'G':
            cashback = 5.0 * purchaseAmount / 100.0;
            break;
            
            case 'P':
            cashback = 8.0 * purchaseAmount / 100.0;
            break;
            
            default:
            System.out.println("INVALID CARD TYPE");
        }
    }
    
    void display() {
        System.out.println("Card Holder Name: " + cardName);
        System.out.println("Card Number: " + cardNo);
        System.out.println("Purchase Amount: " + purchaseAmount);
        System.out.println("Cashback: " + cashback);
    }
    
    public static void main(String args[]) {
        Scanner in = new Scanner(System.in);
        System.out.println("Enter Card Holder Name:");
        String n = in.nextLine();
        System.out.println("Enter Card Number:");
        long no = in.nextLong();
        System.out.println("Enter Card Type:");
        char t = in.next().charAt(0);
        System.out.println("Enter Purchase Amount:");
        double a = in.nextDouble();
        
        Customer obj = new Customer(n, no, t, a);
        obj.compute();
        obj.display();
    }
}