phonebook

package ObjectsClassesAPIs;

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

public class Phonebook {
    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        String[] input = scan.nextLine().split("-");
        Map<String, String> phonebook = new HashMap<>();
        while (!input[0].equals("search")) {

            if (!phonebook.containsKey(input[0])) {
                phonebook.put(input[0],input[1]);
            } else {
                phonebook.replace(input[0], phonebook.get(input[0]),input[1]);
            }
            input = scan.nextLine().split("-");
        }
        String findName = scan.nextLine();
        while (!findName.equals("Stop")) {
            if (phonebook.containsKey(findName)) {
                System.out.println(findName+" -> "+phonebook.get(findName));
            } else {
                System.out.println("Contact "+findName+" does not exist.");
            }
            findName = scan.nextLine();
        }
    }
}