Java: Exception Handling

//Main Class
import java.util.Scanner;

public class Java{

    public static void main(String args[]){
        Scanner input = new Scanner(System.in);
        boolean done = false;
        while(done == false){
            try{
                System.out.println("Enter first number: ");
                int n1 = input.nextInt();
                System.out.println("Enter second number: ");
                int n2 = input.nextInt();
                int sum = n1/n2;
                System.out.println(sum);
                done = true;
            } catch(Exception e) {
                System.out.println("You can not divide by 0.12");
            }
        }
    }
}