https://stackoverflow.com/questions/31768610/reflection-in-factory-design-patterns-in-java-or-c-sharp

class PersonFactory {
    // reflection, by full qualified class name
    public static Person getPersonWithFullQualifiedClassName(String personType) throws Exception {
        Class<?> personClass = Class.forName(personType);
        return getPersonWithClass(personClass);
    }

    // reflection, by passing class object
    public static Person getPersonWithClass(Class personClass) throws Exception {
        return (Person) personClass.newInstance();
    }

    // no reflection, the ordinary way
    public static Person getPersonWithName(String personType) {
        if (personType.equalsIgnoreCase("STUDENT")) {
            return new Student();
        } else if (personType.equalsIgnoreCase("TEACHER")) {
            return new Teacher();
        }

        return null;
    }
}