private static HashMap<String, CommandProcessor> createCommandTable() {
HashMap<String, CommandProcessor> table = new HashMap<>();
// TODO: реализовать
table.put("HELP", new HelpCommandProcessor());
table.put("QUIT", new QuitCommandProcessor());
table.put("LIST", new ListCommandProcessor());
table.put("NEW", new DummyCommandProcessor());
table.put("REMOVE", new DummyCommandProcessor());
table.put("EDIT", new DummyCommandProcessor());
return table;