1. 問題描述:
2. 下面是具體的代碼:
public class Main {
public static void main(String[] args) {
double res = log(2, 32);
System.out.println(res);
res = log(2, 10);
System.out.println(res);
}
public static double log(int basement, int n){
return Math.log(n) / Math.log(basement);
}
}