01. Data Type Finder

import java.util.Scanner;

class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        String input = "", dataType = "";

        while (true) {
            if(scanner.hasNextInt()) {
                dataType = "integer";
                input = scanner.nextLine();
            } else if (scanner.hasNextDouble()) {
                dataType = "floating point";
                input = scanner.nextLine();
            } else if (scanner.hasNextBoolean()) {
                dataType = "boolean";
                input = scanner.nextLine();
            } else {
                input = scanner.nextLine();
                if (input.equals("END")) {
                    break;
                }
                dataType = input.length() == 1 ? "character" : "string";
            }

            System.out.printf("%s is %s type\n", input, dataType);
        }
    }
}