public class Main {
    public static void main(String[] args) {
        Matematicas matematicas=new Matematicas();
        try {
            double c=matematicas.dividir(-1.6, 0);
        } catch (RuntimeException ex) {
            throw ex;            
        } catch (Exception ex) {
            throw new RuntimeException("Fallo al llamar a 'dividir'",ex);
        }
    }    
}