public class PlayWithIntDoubleString {
    public static void main(String[] args) {
        System.out.println("Please choose a type:");
        System.out.println("1 --> int");
        System.out.println("2 --> double");
        System.out.println("3 --> string");


        Scanner scanner = new Scanner(System.in);
        String line = scanner.nextLine();
        Integer input = Integer.parseInt(line);
        int result = 0;
        double result2 = 0;

        if (input == 1) {
            System.out.println("Please inter an integer:");
            Integer integ = Integer.parseInt(scanner.nextLine());
            result = integ + 1;
            System.out.println(result);
        } else if (input == 2) {
            System.out.println("Please enter a double:");
            Double inputDouble = Double.parseDouble(scanner.nextLine());
            result2 = inputDouble + 1;
            System.out.println(result2);
        } else if (input == 3 ) {
            System.out.println("Please enter a string:");
            String str = scanner.nextLine();
            StringBuilder newString = new StringBuilder();
            newString.append("*");
            System.out.println(str + newString);



        }