类似于1.0-0.8=0.19999999999999996的解决办法

这个帖子有解决办法：http://blog.youkuaiyun.com/shenshen123jun/article/details/8957421

 

import java.math.BigDecimal;

public class Test20150515 {
    public static void main(String[] args) {     
        //System.out.println(1.0-0.8);
       System.out.println(new BigDecimal("1.0").subtract(new BigDecimal("0.8")));
    }    
}

 

转载于:https://www.cnblogs.com/qq552048250/p/4506915.html