任意进制的转换——小小钟

package cn.xxz;
import java.util.*;
import java.math.*;
public class Num2Radix {
public static void main(String[] args){
/*最大支持36进制转换*/
Scanner sc = new Scanner(System.in);
int num = sc.nextInt();
int radix = sc.nextInt();
if(radix > 36){
System.out.println("不支持大于36进制的转换！");
return ;
}
System.out.println(test(num, radix));
}

public static String test(int num, int radix){
BigInteger b = new BigInteger(num + "");
String str = b.toString(radix);
return str;
}
}