ТЕМА 16

//ТЕМА_16//

import java.util.Dictionary;
import java.util.Scanner;
import java.util.Hashtable;
import java.util.Enumeration;

public class UASD_2_200321 {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        //MAKING A DICTIONARY, BY USING HASHTABLE//
        Dictionary<Integer, String> MonthsDictionary = new Hashtable<>();

        //                   KEY : VALUE//
        MonthsDictionary.put(1, "JANUARY");
        MonthsDictionary.put(2, "FEBRUARY");
        MonthsDictionary.put(3, "MARCH");
        MonthsDictionary.put(4, "APRIL");
        MonthsDictionary.put(5, "MAY");
        MonthsDictionary.put(6, "JUNE");
        MonthsDictionary.put(7, "JULY");
        MonthsDictionary.put(8, "AUGUST");
        MonthsDictionary.put(9, "SEPTEMBER");
        MonthsDictionary.put(10, "OCTOBER");
        MonthsDictionary.put(11, "NOVEMBER");
        MonthsDictionary.put(12, "DECEMBER");

        //ASKING THE USER//
        System.out.println("This is a program that allows you to search for month's name by it's number and the opposite.");
        System.out.println("Please, choose:\nNUMBER | NAME");
        String user = sc.nextLine().toLowerCase();

        //CHECKING FOR CONDITION//
        if(user.equals("number")) { //BY NUMBER//
            Enumeration<Integer> itemsKey = MonthsDictionary.keys(); //Enumerations of keys//
            Enumeration<String> itemsValue = MonthsDictionary.elements(); //Enumerations of values//

            System.out.println("Please, enter the month's number: ");
            String month_number = sc.nextLine();

            while (itemsKey.hasMoreElements()) {
                String currentKey = itemsKey.nextElement().toString();
                String currentValue = itemsValue.nextElement();

                if(currentKey.equals(month_number)){
                    System.out.println("This month name is: " + currentValue);
                }
            }
        }else if(user.equals("name")){ //BY NAME//
            Enumeration<Integer> itemsKey = MonthsDictionary.keys(); //Enumerations of keys//
            Enumeration<String> itemsValue = MonthsDictionary.elements(); //Enumerations of values//

            System.out.println("Please, enter the month's name: ");
            String month_name = sc.nextLine().toUpperCase();

            while (itemsKey.hasMoreElements()) {
                String currentKey = itemsKey.nextElement().toString();
                String currentValue = itemsValue.nextElement();

                if(currentValue.equals(month_name)){
                    System.out.println("This month number is: " + currentKey);
                }
            }
        }
    }
}