public class HospitalTest {
   public static void main(String [] args) {  
      Doctor [] docs= {
            new Doctor(),
            new Cirujano(),
            new DoctorFamiliar()
      };
      Hospital hosp=  new Hospital();
      for (int i=0;i<docs.length;i++) {
          hosp.servir(docs[i]);
          System.out.println(
            docs[i].getTrabajaEnHospital());
          hosp.terminar(docs[i]);
          System.out.println(
            docs[i].getTrabajaEnHospital());

      }
   }

}