creditcard
unknown
java
a year ago
1.1 kB
6
Indexable
package assignments.assignment3.payment; public class CreditCardPayment implements DepeFoodPaymentSystem { // Persentase biaya transaksi untuk setiap pembayaran dengan kartu kredit. private static final double TRANSACTION_FEE_PERCENTAGE = 0.02; // Saldo tersedia dalam rekening kartu kredit. private double saldo; @Override public long processPayment(long amount) { long transactionFee = countTransactionFee(amount); if (saldo >= amount + transactionFee) { saldo -= (amount + transactionFee); // Mengurangi saldo dengan jumlah dan biaya transaksi return transactionFee; } else { throw new IllegalStateException("Saldo tidak cukup"); } } // Menghitung biaya transaksi berdasarkan jumlah yang diberikan public long countTransactionFee(long amount) { return Math.round(amount * TRANSACTION_FEE_PERCENTAGE); } // Getter dan Setter public void setSaldo(double saldo) { this.saldo = saldo; } public double getSaldo() { return saldo; } }
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