摘要: 银行账号的简化实现:scala> class BankAccount{ | private var bal: Int = 0 | def balance: Int = bal | def deposit(amount: Int) { | require(amount ... 阅读全文
posted @ 2014-12-30 21:03 ~风轻云淡~ 阅读(576) 评论(0) 推荐(0)