public class CountUtil extends Object
| 构造器和说明 |
|---|
CountUtil() |
| 限定符和类型 | 方法和说明 |
|---|---|
static double |
calculatePercentage(double part,
double whole)
计算一个数占另一个数的百分比
|
static double |
calculateValueFromPercentage(double total,
double percentage)
根据总数和百分比计算具体数值
|
static void |
main(String[] args) |
public static double calculatePercentage(double part,
double whole)
part - 部分值whole - 整体值public static double calculateValueFromPercentage(double total,
double percentage)
total - 总数percentage - 百分比,以小数形式给出public static void main(String[] args)
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