NationalizedBank.java

import java.util.*;

public class NationalizedBank extends Bank {
    private List<Account> accounts = new ArrayList<>();

    public NationalizedBank(String bankName, String branchName) {
        super(bankName, branchName);
    }

    @Override
    public void openAccount(Account account) {
        accounts.add(account);
        System.out.println("Account successfully opened at " + bankName + " (Nationalized Bank).");
    }

    @Override
    public void displayBankInfo() {
        System.out.println("\n============ " + bankName + " ============");
        System.out.println("Branch: " + branchName);
        System.out.println("Bank Code: " + bankCode + " (Nationalized)");

        if (accounts.isEmpty()) {
            System.out.println("No accounts have been opened at this branch yet.");
            return;
        }

        System.out.println("\nAccount Details:");
        System.out.println("----------------------------------");
        for (Account acc : accounts) {
            acc.showAccountType();
            System.out.println("Account #: " + acc.accountNumber);
            System.out.println("Account Holder: " + acc.holderName);
            System.out.println("Current Balance: ₹" + acc.getBalance());
            System.out.println("----------------------------------");
        }
    }
}