Day17.java

package HackerRank.CodingDays30;

import java.util.Scanner;

class CalculatorN {
    int power(int n, int p) throws Exception{
        if (n<0 ||p<0 ) {
            throw new Exception("n and p should be non-negative");
        } else {
            return (int) Math.pow(n, p);
        }
    }
}
public class Day17 {
    public static void main(String[] args) {

        Scanner in = new Scanner(System.in);
        int t = in.nextInt();
        while (t-- > 0) {

            int n = in.nextInt();
            int p = in.nextInt();
            CalculatorN myCalculator = new CalculatorN();
            try {
                int ans = myCalculator.power(n, p);
                System.out.println(ans);
            }
            catch (Exception e) {
                System.out.println(e.getMessage());
            }
        }
        in.close();
    }
}