Light Room - Java

import java.util.*;

public class LightRoom {

    private List<Integer> getHouseInfo() {
        List<Integer> bulpsOnList = new ArrayList<Integer>();
        int totalRooms, totalBulbs, bulpsSwitchedOn = 0;
        String windowOption, shadyOption;
        boolean isWindowAttached, isShadyOutside;

        Scanner in = new Scanner(System.in);
        System.out.print("Total Rooms in the House: ");
        totalRooms = in.nextInt();
        in.nextLine();

        for (int i = 0; i < totalRooms; i++) {
            System.out.print("\nEnter Total Bulbs In The Room "+(i+1)+": ");
            totalBulbs = in.nextInt();
            in.nextLine();

            do{
                System.out.print("Does The Room Attached With Window (y/n)? ");
                windowOption = in.nextLine();
                isWindowAttached = ("yY".contains(windowOption));
            }
            while(windowOption.length() != 1 || !("yYnN".contains(windowOption)));

            do{
                System.out.print("Does The Outside Of The Room Is Shady (y/n)? ");
                shadyOption = in.nextLine();
                isShadyOutside = ("yY".contains(shadyOption));
            }
            while(shadyOption.length() != 1 || !("yYnN".contains(shadyOption)));

            if (!isWindowAttached) {
                bulpsSwitchedOn = totalBulbs;
            } else if (isWindowAttached && !isShadyOutside) {
                bulpsSwitchedOn = 0;
            } else if (isWindowAttached && isShadyOutside) {
                bulpsSwitchedOn = totalBulbs / 2;
            }

            bulpsOnList.add(bulpsSwitchedOn);
        }
        return bulpsOnList;
    }

    private void displayResult(List<Integer> list) {
        int totalRoom = 0, totalBulbs = 0;

        for (Integer number : list) {
            totalRoom = number > 0 ? ++totalRoom : totalRoom;
            totalBulbs = number > 0 ? totalBulbs+=number : totalBulbs;
        }

        System.out.println("\nTotal Rooms Which Have Lights On = "+totalRoom);
        System.out.println("Total Number of Light Bulps Switched On = "+totalBulbs);
    }

    public static void main(String args[]) {
        LightRoom house = new LightRoom();
        List<Integer> list = house.getHouseInfo();
        house.displayResult(list);
    }
}