填空题
请将下面程序补充完整。
public class PowerCalc{
public static void main(String[]args){
double x=5.0;
System. out. println(x+"to the power 4 is"+power(x, 4));
System. out. println("7. 5 to the power 5 is"+power(7.5, 5));
System. out. println("7.5 to the power 0 is"+power(7.5, 0));
System. out. println("10 to the power -2 is"+power(10, -2));
}
static double{{U}} 【11】 {{/U}} (double x, int n){
if(n＞1)
return x * power(x, n-1);
else if(n＜0)
return 1.0/power(x, -n);
else
return n==0 ? 1.0:x;
}
}