DataTypeFinder.java

import java.util.Scanner;

public class DataTypeFinder {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        String input = scanner.nextLine();

        while(!input.equals("END")){
            try{
                Integer.parseInt(input);
                System.out.printf("%s is integer type%n",input);
                input = scanner.nextLine();
                continue;
            }catch(NumberFormatException e){

            }
            try{
                Double.parseDouble(input);
                System.out.printf("%s is floating point type%n",input);
                input = scanner.nextLine();
                continue;
            }
            catch(NumberFormatException e){

            }
           if(input.equalsIgnoreCase("true")|| input.equalsIgnoreCase("false")){
               System.out.printf("%s is boolean type%n",input);
           }else if(input.length()== 1){
               System.out.printf("%s is character type%n",input);

           }else {
               System.out.printf("%s is string type%n",input);
           }


            input = scanner.nextLine();

        }
    }
}