public class Main {

    public static void main(String[] args) {
        Game game = new Game();
        game.start();
    }

}


import java.util.Scanner;

public class Game {

    Scanner in;

    static int amountOfQuestions = 5;

    private int points;
    private int currentQuestion;
    private String answer;

    public Game() {
        in = new Scanner(System.in);

        setPoints(0);
        setCurrentQuestion(0);
        answer = null;
    }

    public int getCurrentQuestion() {
        return currentQuestion;
    }

    public void setCurrentQuestion(int currentQuestion) {
        this.currentQuestion = currentQuestion;
    }

    public int getPoints() {
        return points;
    }

    public void setPoints(int points) {
        this.points = points;
    }

    public void askQuestion() {
        if(currentQuestion == 0) {
            do {
                System.out.println("Is milk white? ");
                answer = in.nextLine();
            } while(!(this.answer.equalsIgnoreCase("yes") || this.answer.equalsIgnoreCase("no")));

            if(answer.equalsIgnoreCase("yes"))
                points++;
            currentQuestion++;
        } else if(currentQuestion == 1) {
            do {
                System.out.println("Is milk green? ");
                answer = in.nextLine();
            } while(!(this.answer.equalsIgnoreCase("yes") || this.answer.equalsIgnoreCase("no")));

            if(answer.equalsIgnoreCase("no"))
                points++;
            currentQuestion++;
        } else if(currentQuestion == 2) {
            do {
                System.out.println("Is iphone uses an OS called IOS? ");
                answer = in.nextLine();
            } while(!(this.answer.equalsIgnoreCase("yes") || this.answer.equalsIgnoreCase("no")));

            if(answer.equalsIgnoreCase("yes"))
                points++;
            currentQuestion++;
        } else if(currentQuestion == 3) {
            do {
                System.out.println("Is steve jobs dead? ");
                answer = in.nextLine();
            } while(!(this.answer.equalsIgnoreCase("yes") || this.answer.equalsIgnoreCase("no")));

            if(answer.equalsIgnoreCase("yes"))
                points++;
            currentQuestion++;
        } else if(currentQuestion == 4) {
            do {
                System.out.println("Is galaxy s11 out yet? ");
                answer = in.nextLine();
            } while(!(this.answer.equalsIgnoreCase("yes") || this.answer.equalsIgnoreCase("no")));

            if(answer.equalsIgnoreCase("no"))
                points++;
            currentQuestion++;
        }

        if(currentQuestion == amountOfQuestions) {
            System.out.println("Game ended. Points: " + points);
        }
    }

    public void start() {
        do {
            askQuestion();
        } while(currentQuestion < amountOfQuestions);

    }
}