ТЕМА 17

//ТЕМА_17 ДОМАШНА РАБОТА//

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

public class UASD_2_020421_HW {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);

        //MAKING A DICTIONARY, BY USING HASHTABLE//
        Dictionary<String, String> MusicDictionary = new Hashtable<>();

        //KEY : VALUE//
        MusicDictionary.put("NIGHTMARE", "AVENGED SEVENFOLD");
        MusicDictionary.put("IMMORTALIZED", "DISTURBED");
        MusicDictionary.put("STRAIGHT OUT OF HELL", "HELLOWEEN");
        MusicDictionary.put("TIDES OF DESPAIR", "NOCTURNAL DEPRESSION");
        MusicDictionary.put("OUTLAWED", "ATTILA");
        MusicDictionary.put("SMITE AND IGNITE", "PENTAKILL");
        MusicDictionary.put("DISGUISE", "MOTIONLESS IN WHITE");
        MusicDictionary.put("ONEX", "THREE DAYS GRACE");

        //MAKING DIALOGUE WITH THE USER//
        System.out.println("This is a program that allows you to search for a certain band's album by their name or the opposite");
        System.out.println("Please, choose:\nBAND | ALBUM");
        String user = sc.nextLine();

        if(user.toLowerCase().equals("album")) { //BY ALBUM NAME//
            Enumeration<String> itemsKey = MusicDictionary.keys(); //Enumerations of keys//
            Enumeration<String> itemsValue = MusicDictionary.elements(); //Enumerations of values//

            System.out.println("You can choose from: NIGHTMARE, IMMORTALIZED, STRAIGHT OUT OF HELL, TIDES OF DESPAIR, OUTLAWED, SMITE AND IGNITE, DISGUISE, ONEX");
            System.out.println("Please, enter the album`s name: ");
            String album_name = sc.nextLine();

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

                if(currentKey.equals(album_name.toUpperCase())){
                    System.out.println("This album is performed by: " + currentValue);
                }
            }
        }else if(user.toLowerCase().equals("band")){ //BY BAND NAME//
            Enumeration<String> itemsKey = MusicDictionary.keys(); //Enumerations of keys//
            Enumeration<String> itemsValue = MusicDictionary.elements(); //Enumerations of values//

            System.out.println("You can choose from: AVENGED SEVENFOLD, DISTURBED, HELLOWEEN, NOCTURNAL DEPRESSION, ATTILA, PENTAKILL, MOTIONLESS IN WHITE, THREE DAYS GRACE");
            System.out.println("Please, enter the band`s name: ");
            String band_name = sc.nextLine();

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

                if(currentValue.equals(band_name.toUpperCase())){
                    System.out.println("This band album is: " + currentKey);
                }
            }
        }

    }
}