diff --git a/Basic_Bank_System/Basic_Bank_System.java b/Basic_Bank_System/Basic_Bank_System.java new file mode 100644 index 00000000..c8fabad4 --- /dev/null +++ b/Basic_Bank_System/Basic_Bank_System.java @@ -0,0 +1,83 @@ +import java.util.HashMap; +import java.util.Map; +import java.util.Scanner; + +class Bank { + private Map 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"); + } +}