Answer:
This is the required code:
Explanation:
public class NumberToString {
public static String numToString(int num, int base) {
final String digits = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
if (num < base) {
return "" + digits.charAt(num);
} else {
return numToString(num / base, base) + digits.charAt(num % base);
}
}
}