赵毅杰 2022-01-17 12:02 开发者_如何学JAVA首先仓管与统计是两个工种。仓管的职责:日常的收发存并记录登账,出库物资必须有出库领用人的签字方可出库切记此点。统计:出库的各种物资整理录入,各种产品的分类
I need to export big amount of data from database. Here is classes that represents my data: public class Product{