public class Exceptions { static int div(int x, int y) throws ArithmeticException { if(y == 0){ throw new ArithmeticException("Divided by zero"); } //If you don't want fractions smaller than 1 else if(y > x) { throw new ArithmeticException("Nominator is smaller than denominator"); } //If the two numbers cannot be the same for your program else if(y == x) { throw new ArithmeticException("Nominator and denominator are the same"); } else { return x/y; } } public static void main(String[] args){ System.out.println(div(4, 4)); } }