Untitled

import java.util.HashMap;
import java.util.Map;
import java.util.Scanner;

public class _05_Phonebook {

    public static void main(String[] args) {

        Scanner scanner = new Scanner(System.in);

        Map<String, String> phonebook = new HashMap<>();

        String input = scanner.nextLine();
        while (!input.equals("search")) {

            //George-0049112233
            String name = input.split("-")[0];
            String phoneNumber = input.split("-")[1];

            phonebook.put(name, phoneNumber);
            input = scanner.nextLine();
        }

        String name = scanner.nextLine();
        while (!name.equals("stop")) {

            if (phonebook.containsKey(name)) {
                System.out.printf("%s -> %s\n", name, phonebook.get(name));
            } else {
                System.out.printf("Contact %s does not exist.\n", name);
            }
            name = scanner.nextLine();
        }
    }
}