Exception with throws

package javaPack;

public class ThrowsException {

    public static void divide() throws ArithmeticException, NumberFormatException{
        int a = Integer.parseInt("8b");
        int b = Integer.parseInt("0");
        int c = a/b;
        System.out.println("Result: " +c);
    }

    public static void main(String[] args) {
        try {
            divide();
        }
        catch(ArithmeticException e) {
            System.out.println("You cannot divide number by zero");
        }
        catch(NumberFormatException e) {
            System.out.println("Invalid number format");
        }
    }
}