Throw And Throws In Java

 package com.company;

class NegativeRadiusException extends Exception{

    @Override

    public String toString() {

        return "Radius cannot be negative!";

    }

    @Override

    public String getMessage() {

        return "Radius cannot be negative!";

    }

}

public class cwh_84_throw_throws {

    public static double area(int r) throws NegativeRadiusException{

        if (r<0){

            throw new NegativeRadiusException();

        }

        double result = Math.PI * r * r;

        return result;

    }

    public static int divide(int a, int b) throws ArithmeticException{

        // Made By Harry

        int result = a/b;

        return result;

    }

    public static void main(String[] args) {

        // Shivam - uses divide function created by Harry

        try{

//            int c = divide(6, 0);

//            System.out.println(c);

            double ar = area(6);

            System.out.println(ar);

        }

        catch(Exception e){

            System.out.println("Exception");

        }

    }

}