account.java

一个银行账户类

//实验3.2  银行账户类设计。

public class Account                             //账户类
{
    private String name;                         //储户姓名
    private double balance;                      //账户余额
    
    public Account(String name)
    {
        this.name = name;
        this.balance = 0;
    }
    
    public String getName()                      //返回账户名
    {
        return name;
    }

    public double balance()                      //查看账户余额
    {
        return balance;                      
    }

    public boolean put(double value)             //存款操作，参数为存入金额
    {
        if (value>0)
        {
            this.balance += value;               //存款操作使余额值增加
            return true;
        }
        return false;
    }
    
    public double get(double value)              //取款操作，参数为取款金额，返回实际取到金额
    {
        if (value>0)
        {
           if (value<=this.balance)
               this.balance -= value;            //取款操作使余额值减少
           else                                  //账户余额不够所取时
           {
               value = this.balance;             //取走全部余额
               this.balance = 0;
           }
           return value;                         //返回实际取款额
        }
        return 0;
    }
}