=== BankAccount === <br>No Rekening: 12345<br>Nama: Saskia<br>Saldo: 1000000<br>Bunga: 2.5%<br><br>=== PremiumAccount === <br>No Rekening: 67890<br>Nama: Waode Saskia<br>Saldo: 5000000<br>Bunga Premium: 3.5%<br><br>=== BankUtility === <br>Nama Bank: Bank Buton Raya<br>Ini adalah utility bank (static & final class)