Junior7771

    interface Payable<T> {
        void doIt(T t);
    }

    class Employee implements Payable<Employee> {
        @Override
        public void doIt(Employee t) {}
    }
    
    class Hourly extends Employee implements Payable<Hourly> {
        //что реализовать?
        @Override
        public void doIt(Employee t) {}
        // или
        @Override
        public void doIt(Hourly t) {}
    }