我在写一个关于ATM取款机的项目，由于没有数据库我就用了文件来代替数据库 但是我却出现了一个问题困扰了我一天。我发现我用存钱功能时它的HashMap集合里面的金钱数没有发生改变，而且我将他们写入文件后 看到金钱数没有改变 而且存入的格式和我想的不 ...

Okay, here's the lowdown. I'm writing a simple "ATM" program as part of an assignment for my beginner's level Java programming class.<BR><BR>Here's how the assignment ...

hey i'm in a simple java class for school and as part of this week's homework i had this problem about an atm...it might seem reeeeeeeally simple to some ...