class BankAccount i char *name /姓名 unsigned long accounted;/*账号* float balance /*余额* float interestYTD /*年利息*/ public void Make Deposit(float amount)i float WithDraw (float amount) bool Transfer (BankAccount to float amount)class BankAccount { char *name; /* 姓名 */ unsigned long accountId; /* 账号 */ float balance; /* 余额 */ float interestYTD; /* 年利息*/ public: void MakeDeposit（float amount）; float WithDraw（float amount）; bool Transfer（BankAccount & to, float amount）; }; 4