account.h

有两个账户供选择

#ifndef ACCOUNT
#define ACCOUNT

class Account
{
public:
  Account(unsigned accNo, double bal=0.0);
  unsigned AccountNo(); 
  double GetBalance();
  static Account*& getFirst();
  Account* getNext();
  static int &NoAccounts();
  void Display();
  void Deposit(double amount);
  virtual void Withdrawal(double amount)=0;
protected:
  static Account* pFirst;
  Account* pNext;
  static int count;
  unsigned acntNumber;
  double balance;
};

#endif