“class 2023(){ while(BC==Great) system.out.println(“”Happy Thanksgiving””) }…

import java.util.Date;
import java.util.Arrays;
import java.util.List;

public class wall(){
        public static void main(string args[]){
                String[] holidays = ["MLK day", "fall break", "thanksgiving",...];
                Date date = new Date();
                //wall magic to make this short enough to fit on a post-it
                boolean isHoliday = Arrays.asList(holidays).contains(date);
                if (isHoliday == True){
                        system.out.println("Bye! Have a great time! See you when you get back!"); 
                }
        }
}