如何将 double
值转换为 int
执行以下操作:
How to convert a double
value to int
doing the following:
Double If x = 4.97542. Convert to int x = 4.
Double If x = 4.23544. Convert to int x = 4.
也就是说,答案总是向下取整.
That is, the answer is always rounding down.
如果显式cast double
为int
,小数部分将被截断.例如:
If you explicitly cast double
to int
, the decimal part will be truncated. For example:
int x = (int) 4.97542; //gives 4 only
int x = (int) 4.23544; //gives 4 only
此外,您还可以使用 Math.floor()
方法对值进行四舍五入,以防您希望返回 double
值.
Moreover, you may also use Math.floor()
method to round values in case you want double
value in return.
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