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Java BigDecimal类型的加减乘除运算和比较

智云科技发布于 2023年2月1日评论(6)阅读(170)

加法：add 减法：subtract 乘法：multiply 除法：divide

BigDecimal bd1 = new BigDecimal(“15”);

BigDecimal bd2 = new BigDecimal(“20”);

BigDecimal bd3;

bd3 = bd1.add(bd2); // 加法

bd3 = bd1.subtract(bd2);// 减法

bd3 = bd1.multiply(bd2);// 乘法

bd3 = bd1.divide(bd2, 4, BigDecimal.ROUND_HALF_UP); // 除法，保留4位小数，四舍五入；不写后面两个参数当除不尽的时候会报错。

if(bd1.compareTo(bd2) == -1){

System.out.println(“bd1小于bd2”); // 0 等于， 1 大于

}

if(bd1.compareTo(bd2) > -1){

System.out.println(“bd1大于等于bd2”); // < 1 小于等于

}

文章来源：智云一二三科技

文章标题：Java BigDecimal类型的加减乘除运算和比较

文章地址：https://www.zhihuclub.com/172427.shtml

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