1.BigDecimal的使用和构造:
http://blog.youkuaiyun.com/jackiehff/article/details/8582449
2. 除法会涉及到 无限小数的情况:
要设置 精度和四舍五入规则.
http://li-fanghua.blog.163.com/blog/static/7954442020119104539322/
http://blog.youkuaiyun.com/jackiehff/article/details/8582449
2. 除法会涉及到 无限小数的情况:
要设置 精度和四舍五入规则.
http://li-fanghua.blog.163.com/blog/static/7954442020119104539322/