面试题11-求数值的整数次方

import java.lang.Math;
public class Solution {
    public double Power(double base, int exponent) {
        double result=1.0;
        int m=Math.abs(exponent);
        if(exponent==0){
            return result;
        }
       for(int i=0;i<m;i++){
           result*=base;
       }
        if(exponent<0){
            result=1.0/result;
        }
        return result;
  }
}