手写代码:求x的n次方
import java.util.Scanner; public class Main{ public static void main(String[] args) { Scanner sc=new Scanner(System.in); int x=sc.nextInt(); int y=sc.nextInt(); System.out.println(pow(x,y)); } private static long pow(int x,int y){ if(y==1){ return x; }else{ return x*pow(x,y-1); } } }