Java/PaymentProcessor.java at main · Nocturnal720/Java · GitHub

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abstract class Payment
{
    private String transactionID;
    private double amount;

    Payment(String tid, double amt)
    {
        transactionID = tid;
        amount = amt;
    }

    String getID()
    {
        return transactionID;
    }

    double getAmount()
    {
        return amount;
    }

    abstract void ProcessPayment();

}


class CreditCardPayment extends Payment
{
    CreditCardPayment(String tid, double amt)
    {
        super(tid, amt);
    }

    void ProcessPayment()
    {
        double a = getAmount();
        double total = a + (0.02*a);
        System.out.println("Final Amount: " + total);
    }


}

class UPIPayment extends Payment
{
    UPIPayment(String tid, double amt)
    {
        super(tid, amt);
    }

    void ProcessPayment()
    {
        System.out.println("Final Amount: " + getAmount());
    }

}

public class PaymentProcessor
{

    public static void main(String[] args) {

        Payment[] payments = {
            new CreditCardPayment("TXN123", 1000),
            new UPIPayment("TXN456", 1000)
        };

        double total = 0;

        for (Payment p : payments)
        {
            p.ProcessPayment();
        }

        System.out.println("Total: " + total);
    }
}