01.Data Type Finder

package MoreExercise;

import java.util.Scanner;

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

        while (true) {
            String input = scanner.nextLine();

            if (input.equals("END")) {
                break;
            }

            // Determine data type
            String dataType;
            if (isInteger(input)) {
                dataType = "integer";
            } else if (isFloatingPoint(input)) {
                dataType = "floating point";
            } else if (isBoolean(input)) {
                dataType = "boolean";
            } else if (isCharacter(input)) {
                dataType = "character";
            } else {
                dataType = "string";
            }

            // Print result
            System.out.println(input + " is " + dataType + " type");
        }

        scanner.close();
    }

    // Check if the input is an integer
    static boolean isInteger(String input) {
        try {
            Integer.parseInt(input);
            return true;
        } catch (NumberFormatException e) {
            return false;
        }
    }

    // Check if the input is a floating point number
    static boolean isFloatingPoint(String input) {
        try {
            Float.parseFloat(input);
            return true;
        } catch (NumberFormatException e) {
            return false;
        }
    }

    // Check if the input is a boolean
    static boolean isBoolean(String input) {
        return input.equalsIgnoreCase("true") || input.equalsIgnoreCase("false");
    }

    // Check if the input is a single character
    static boolean isCharacter(String input) {
        return input.length() == 1;
    }
}