摘要：
1 //接口 2 package com.czp; 3 4 import java.math.BigDecimal; 5 6 public interface IOperator { 7 8 BigDecimal operator(BigDecimal n1, BigDecimal n2); 9 10 BigDecimal operator(int n1, int n2); 11 12 BigDecimal operator(double n1, double n2); 13 } 14 //工厂类 15 16 packag... 阅读全文
posted @ 2013-06-28 17:14 NotOnlyJava 阅读(267) 评论(0) 推荐(0) 编辑