class BankAccount { private: double balance;
// Constructor implementation BankAccount::BankAccount(double initialBalance) : balance(initialBalance) { if (initialBalance < 0) { throw std::invalid_argument("Initial balance cannot be negative."); } }
// Get balance implementation double BankAccount::getBalance() const { return balance; } You can use this BankAccount class in your main.cpp or any other source file in your project. microsoft visual c 2019 2021
// Withdraw money from the account bool withdraw(double amount);
// Deposit implementation void BankAccount::deposit(double amount) { if (amount <= 0) { throw std::invalid_argument("Deposit amount must be positive."); } balance += amount; } class BankAccount { private: double balance; // Constructor
public: // Constructor BankAccount(double initialBalance = 0.0);
account.deposit(500.0); std::cout << "Balance after deposit: $" << account.getBalance() << std::endl; class BankAccount { private: double balance
if (account.withdraw(200.0)) { std::cout << "Withdrawal successful. New balance: $" << account.getBalance() << std::endl; } else { std::cout << "Insufficient funds." << std::endl; } } catch (const std::exception& e) { std::cerr << "Error: " << e.what() << std::endl; return 1; // Return with a non-zero exit code to indicate failure }