Company Users

import java.util.*;

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

        String input = scanner.nextLine();

        LinkedHashMap<String, List<String>> companyName = new LinkedHashMap<>();

        while (!input.equals("End")) {
            String data[] = input.split(" -> ");
            if (companyName.containsKey(data[0])) {
                List<String> employees = companyName.get(data[0]);
                if (!employees.contains(data[1])) {
                    employees.add(data[1]);
                }
            } else {
                List<String> employees = new ArrayList<>();
                employees.add(data[1]);
                companyName.put(data[0], employees);
            }
            input = scanner.nextLine();
        }
        companyName.entrySet()
                .stream()
                .sorted(Map.Entry.comparingByKey())
                .forEach(company -> { System.out.println(company.getKey());
                    company.getValue()
                            .forEach(employee -> System.out.println("-- " + employee));
                });
    }
}