code. compile. run. debug. share.
#include "checkingaccount.h"
#include "logger.h"
#include "pocketmoneyaccount.h"
#include "savingsaccount.h"
#include "bank.h"
int main()
{
Logger::Log("Banking program: Start");
Bank bank;
CheckingAccount::SetInterestRate(0.001);
SavingsAccount::SetInterestRate(0.0075);
for (auto i = 0; i < 50; i++) {
auto account = bank.OpenCheckingAccount();
account->Deposit(i * 100.0);
}
for (auto i = 0; i < 50; i++) {
auto account = bank.OpenSavingsAccount();
account->Deposit(i * 100.0);
}
for (auto i = 0; i < 50; i++) {
auto account = bank.OpenPocketMoneyAccount();
account->Deposit(5.0);
}
bank.PayInterest();
Logger::Log("Banking program: End");
return 0;
}
#ifndef BANK_H_
#define BANK_H_
#include <list>
#include <memory>
class Account;
class Bank {
private:
std::list<std::shared_ptr<Account>> accounts_;
public:
std::shared_ptr<Account> OpenSavingsAccount();
std::shared_ptr<Account> OpenCheckingAccount();
std::shared_ptr<Account> OpenPocketMoneyAccount();
void PayInterest();
private:
std::shared_ptr<Account> OpenAccount(std::shared_ptr<Account> new_account);
};
#endif // BANK_H_
#include "bank.h"
#include <ctime>
#include "account.h"
#include "checkingaccount.h"
#include "logger.h"
#include "pocketmoneyaccount.h"
#include "savingsaccount.h"
std::shared_ptr<Account> Bank::OpenSavingsAccount()
{
const auto account = std::make_shared<SavingsAccount>();
return OpenAccount(account);
}
std::shared_ptr<Account> Bank::OpenCheckingAccount()
{
const auto account = std::make_shared<CheckingAccount>();
return OpenAccount(account);
}
std::shared_ptr<Account> Bank::OpenPocketMoneyAccount()
{
const auto account = std::make_shared<PocketMoneyAccount>();
return OpenAccount(account);
}
std::shared_ptr<Account> Bank::OpenAccount(std::shared_ptr<Account> new_account)
{
accounts_.push_back(new_account);
Logger::Log("Create account, number of accounts: ", accounts_.size());
return new_account;
}
void Bank::PayInterest()
{
for (auto& account : accounts_) {
const auto interest = account->CalculateInterest();
account->Deposit(interest);
}
Logger::Log("Interest paid on: ");
time_t current_time;
time(¤t_time);
const auto time_string = ctime(¤t_time);
if (time_string != nullptr) {
Logger::Log(&time_string[0]);
}
}
// this code must not be changed
#ifndef ACCOUNT_H_
#define ACCOUNT_H_
class Account {
private:
static double interest_rate_;
double balance_{};
public:
virtual ~Account() = default;
static double GetInterestRate() noexcept;
static void SetInterestRate(double interest_rate) noexcept;
double GetBalance() const noexcept;
void Deposit(double amount);
double Withdraw(double amount);
virtual double CalculateInterest();
};
#endif // ACCOUNT_H_
// this code must not be changed
#ifndef CHECKINGACCOUNT_H_
#define CHECKINGACCOUNT_H_
#include "account.h"
class CheckingAccount : public Account {
private:
static double interest_rate_;
public:
static double GetInterestRate() noexcept;
static void SetInterestRate(double interest_rate) noexcept;
double CalculateInterest() noexcept override;
};
#endif // CHECKINGACCOUNT_H_
// this code must not be changed
#ifndef LOGGER_H_
#define LOGGER_H_
class Logger {
public:
static void Log(const char* message);
static void Log(const char* message, double value);
};
#endif // LOGGER_H_
// this code must not be changed
#ifndef POCKETMONEYACCOUNT_H_
#define POCKETMONEYACCOUNT_H_
#include "account.h"
class PocketMoneyAccount : public Account {
public:
double CalculateInterest() override;
};
#endif // POCKETMONEYACCOUNT_H_
// this code must not be changed
#ifndef SAVINGSACCOUNT_H_
#define SAVINGSACCOUNT_H_
#include "account.h"
class SavingsAccount : public Account {
private:
static double interest_rate_;
public:
static double GetInterestRate() noexcept;
static void SetInterestRate(double interest_rate) noexcept;
double CalculateInterest() noexcept override;
};
#endif // SAVINGSACCOUNT_H_
// this code must not be changed
#include "account.h"
#include "logger.h"
double Account::interest_rate_{};
double Account::GetInterestRate() noexcept { return interest_rate_; }
void Account::SetInterestRate(const double interest_rate) noexcept
{
interest_rate_ = interest_rate;
}
double Account::GetBalance() const noexcept { return balance_; }
void Account::Deposit(const double amount)
{
balance_ += amount;
Logger::Log("Deposit, balance: ", balance_);
}
double Account::Withdraw(const double amount)
{
balance_ -= amount;
Logger::Log("Withdraw, balance: ", balance_);
return amount;
}
double Account::CalculateInterest() { return 0.0; }
// this code must not be changed
#include "checkingaccount.h"
#include "logger.h"
double CheckingAccount::interest_rate_{};
double CheckingAccount::GetInterestRate() noexcept
{
return CheckingAccount::interest_rate_;
}
void CheckingAccount::SetInterestRate(const double interest_rate) noexcept
{
CheckingAccount::interest_rate_ = interest_rate;
}
double CheckingAccount::CalculateInterest() noexcept
{
const auto interest = GetBalance() * CheckingAccount::GetInterestRate();
Logger::Log("Calculate interest, amount: ", interest);
return interest;
}
// this code must not be changed
#include "logger.h"
#include <iostream>
void Logger::Log(const char* message) { std::cout << message << "\n"; }
void Logger::Log(const char* message, const double value)
{
std::cout << message << value << "\n";
}
// this code must not be changed
#include "pocketmoneyaccount.h"
double PocketMoneyAccount::CalculateInterest()
{
throw "A pocket money account gets no interest!";
}
// this code must not be changed
#include "savingsaccount.h"
#include "logger.h"
double SavingsAccount::interest_rate_{};
double SavingsAccount::GetInterestRate() noexcept
{
return SavingsAccount::interest_rate_;
}
void SavingsAccount::SetInterestRate(const double interest_rate) noexcept
{
SavingsAccount::interest_rate_ = interest_rate;
}
double SavingsAccount::CalculateInterest() noexcept
{
const auto interest = GetBalance() * SavingsAccount::GetInterestRate();
Logger::Log("Calculate interest, amount: ", interest);
return interest;
}
Compiling Program...
Standard Input:
Interactive Console
Text
Program is not being debugged. Click "Debug" button to start program in debug mode.
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