一个简单的JAVA模拟数据库，改自pudn上某高人的源码，可以自由的添加、更改和删除数据。但是在储存文件的地方做的不够完善。望大家海涵。以上。-JAVA simulation of a simple database, a change from the pudn an expert on the source, free to add, change and delete data. But where to save the document did not perfect. Hope yo