JavaPrograms-And-HackerRank-Solutions/ExceptionHacker.java at master · piyushkamalanand/JavaPrograms-And-HackerRank-Solutions · GitHub

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package practicetime;


	import java.util.Scanner;

	class MyCalculator

	{

	    int n1,p1;

	    int po;

	    int power(int n1,int p1)throws Exception

	    {

	        this.n1=n1;

	        this.p1=p1;

	        if(n1==0||p1==0)

	            throw new Exception("n and p should not be zero.");

	        else if(n1<0||p1<0)

	            throw new Exception("n or p should not be negative.");

	        else

	             po=(int)Math.pow(n1,p1);

	      return po;

	    }

	}

	public class ExceptionHacker
	{

	    public static final MyCalculator my_calculator = new MyCalculator();

	    public static final Scanner in = new Scanner(System.in);


	    public static void main(String[] args) {

	        while (in .hasNextInt()) {

	            int n = in .nextInt();

	            int p = in .nextInt();
		            try {

	                System.out.println(my_calculator.power(n, p));

	            } catch (Exception e) {

	                System.out.println(e);

	            }
	      }

	    }

	}