For health reasons, we need to control the number of persons that can be simultaneously in a room. We distinguish persons who are vaccinated and those who are not.

Question II [50 points] java

1. Write a class SharedRoom. It has :
   • 2 shared counters (countVacc and countNotVacc) initialized to 0. (use static)
   • A static method print that prints the values of the two counters
2. Write a Thread class Vaccinated. The main work of Vaccinated (the run method) is:
   • Enter in the SharedRoom (increment the number of vaccinated in the room)
   • Print the count of vaccinated and not vaccinated in the room
   • Stay in the room for 5 seconds (sleep for 5 seconds)
   • Leave the SharedRoom (decrement the number of vaccinated in the room)
3. Write a Thread class NotVaccinated. The main work of NotVaccinated is:
   • Enter in the SharedRoom (increment the number of not vaccinated in the room)
   • Print the count of vaccinated and not vaccinated in the room
   • Stay in the room for 5 seconds (sleep for 5 seconds)
   • Leave the SharedRoom (decrement the number of not vaccinated in the room)
4. Write a Drive class as following:
   • Create 6 Vaccinated objects and 6 NotVaccinated objects and let them starts (you can use loop).