Account: public class Account { private String acountId; private long balance; public Account(String acountId, long balance) { this.acountId = acountId; this.balance = balance; } public void debit(long amount) { this.balance-=amount; } public void cr…
最近研究内存关系数据库的设计与实现,下面一篇为berkeley db原始两位作为的Berkeley DB设计回忆录: Conway's Law states that a design reflects the structure of the organization that produced it. Stretching that a bit, we might anticipate that a software artifact designed and initially produ…