public static void multipleChoice() {

        Scanner sc = new Scanner(System.in);
        String question = "What is the correct way to declare a variable to store an integer value in Java?";
        System.out.println(question);
        System.out.println("a. int 1x=10");
        System.out.println("b. int x=10");
        System.out.println("c. float x=10.0f");
        System.out.println("d. string x=\"10\"");
        char correct_choice = 'b';
        char user_choice;
        do {
            System.out.println("Enter your choice:");
            user_choice = sc.nextLine().charAt(0);

            if (correct_choice == user_choice) {
                System.out.println("You are right");

            } else {
                System.out.println("You are wrong");
                // System.out.println("Correct choice is:" + correct_choice);
            }
        } while (correct_choice != user_choice);
        sc.close();
}