摘要： public static void main(String[] args){ float a = (float) 1.0; float b = (float) 0.965; double a1 = 1.0; double b1 = 0.965; BigDecimal a2 = new BigDec 阅读全文

摘要： package Warehouse; public class WarehouseInformation { private String itemnum; private String itemname; private String suppliername; private String wa 阅读全文