package exception;

import java.util.Scanner;

public class Custom_Ex3 {

/**

* @param args

*/

public static void main(String[] args) {

// TODO Auto-generated method stub

Scanner s = new Scanner(System.in);

System.out.println("Enter two numbers for subtraction : ");

int a = s.nextInt();

int b = s.nextInt();

s.close();

System.out.println("A = " + a + "\nB = " + b);

sub(a, b);

}

static void sub(int a, int b) {

int c;

if (a < b) {

try {

System.out.println("Subtraction isnot possible");

throw new NegativeAnswerException("Negative Answer Found");

} catch (NegativeAnswerException e) {

// TODO: handle exception

System.out.println(e);

}

} else {

c = a - b;

System.out.println("Subtraction is possible");

System.out.println("Answer is : " + c);

}

}

}

@SuppressWarnings("serial")

class NegativeAnswerException extends Exception {

public NegativeAnswerException(String s) {

// TODO Auto-generated constructor stub

super(s);

}

}