1 package study; 2 import java.util.*; 3 import java.math.*; 4 5 public class study { 6 public static void main(String[] args){ 7 System.out.println("输入一个n"); 8 Scanner in=new Scanner(System.in); 9 String a=in.next(); 10 BigInteger n=new BigInteger(a); 11 System.out.println("输入一个m"); 12 String b=in.next(); 13 BigInteger m=new BigInteger(b); 14 BigInteger ans=new BigInteger("1"); 15 BigInteger i=new BigInteger("0"); 16 BigInteger d=new BigInteger("1"); 17 for(;i.compareTo(m)<0;i.add(d)){ 18 ans=ans.multiply(n); 19 } 20 System.out.println(ans); 21 } 22 }