public class 函数调用的匹配 {
public static void main(String[] args) {
int a = 1, b = 4;
double c = 2.0, d = 3.0;
/**
* 若无匹配,选择一个最接近的
**/
System.out.println(sum(a, b));// 5.0
// System.out.println(sum(c,d)); //错误,精度达不到
}
static float sum(float a, float b) {
return a + b;
}
}
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