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83 lines (68 loc) · 2.4 KB
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import java.util.HashMap;
import java.util.Map;
import java.util.Scanner;
class Bank {
private Map<String, Account> accounts;
public Bank() {
this.accounts = new HashMap<>();
}
public void addAccount(String accountNumber, String customerName, double balance) {
Account account = new Account(accountNumber, customerName, balance);
accounts.put(accountNumber, account);
}
public void displayAccountInfo(String accountNumber) {
if (accounts.containsKey(accountNumber)) {
Account account = accounts.get(accountNumber);
System.out.println("Account Number: " + account.getAccountNumber());
System.out.println("Customer Name: " + account.getCustomerName());
System.out.println("Balance: $" + account.getBalance());
} else {
System.out.println("Account not found!");
}
}
public void performTransaction(String accountNumber, double amount) {
if (accounts.containsKey(accountNumber)) {
Account account = accounts.get(accountNumber);
account.deposit(amount);
System.out.println("Transaction successful. Updated balance: $" + account.getBalance());
} else {
System.out.println("Account not found!");
}
}
}
class Account {
private String accountNumber;
private String customerName;
private double balance;
public Account(String accountNumber, String customerName, double balance) {
this.accountNumber = accountNumber;
this.customerName = customerName;
this.balance = balance;
}
public String getAccountNumber() {
return accountNumber;
}
public String getCustomerName() {
return customerName;
}
public double getBalance() {
return balance;
}
public void deposit(double amount) {
balance += amount;
}
}
public class BankingSystem {
public static void main(String[] args) {
Bank bank = new Bank();
// Adding a few accounts
bank.addAccount("101", "John Doe", 1000.0);
bank.addAccount("102", "Jane Smith", 1500.0);
// Performing transactions
bank.performTransaction("101", 500.0);
bank.performTransaction("103", 200.0); // This account doesn't exist
// Displaying account information
bank.displayAccountInfo("101");
bank.displayAccountInfo("102");
}
}