1、写一个名为Account的类模拟账户。该类的属性和方法如下图所示。该类包括的属性:账号id,余额balance,年利率annualInterestRate;包含的方法:访问器方法(getter和setter方法),取款方法withdraw(),存款方法deposit()。
Account |
private int id private double balance private double annualInterestRate |
public Account (int id, double balance, double annualInterestRate ) |
public int getId() public double getBalance() public double getAnnualInterestRate() public void setId( int id) public void setBalance(double balance) public void setAnnualInterestRate(double annualInterestRate) public void withdraw (double amount)//取钱 public void deposit (double amount)//存钱 |