当-a％b代表a，b =整数时，余数为0但如果a，b为double，则结果为-0

Question

class TestSampl {
    public static void main(String[] args) {
        int a = -47, b = 47;
        double c = -333.0, d = 333.0;                                        
        //why does integer print output as 
        System.out.println("Integer " + a/b + " " + a%b );  
        // and double print output as -0
        System.out.println("Double " + c/d + " " + c%d );   
    }
}                                                  

Answer 1

您对整数模数还是双模数感到困惑？

没有-0整数，因此选择0的选项很少。然而，双打有正负零（更不用说正无穷大，负无穷大和NaN），所以对于双打，答案将是＆＃34;因为它是如何定义的和＆＃34; ＃34;