public Result runMain(JUnitSystem system, String... args) {
            system.out().println("JUnit version " + Version.id());
            List<Class<?>> classes= new ArrayList<Class<?>>();
            List<Failure> missingClasses= new ArrayList<Failure>();
            for (String each : args)
                  try {
                        classes.add(Class.forName(each));
                  } catch (ClassNotFoundException e) {
                        system.out().println("Could not find class: " + each);
                        Description description= Description.createSuiteDescription(each);
                        Failure failure= new Failure(description, e);
                        missingClasses.add(failure);
                  }
            RunListener listener= new TextListener(system);
            addListener(listener);
            Result result= run(classes.toArray(new Class[0]));
            for (Failure each : missingClasses)
                  result.getFailures().add(each);
            return result;
      }