@Test public void testInvalidArgumentCount() { TestHelper.load(); assertEquals("Invalid argument count.\n", testCommand.execute("memes dreams deco2800")); }
abstract String execute(Object[] arguments);
Command { abstract String execute(Object[] arguments); }
Command { abstract String execute(Object[] arguments);  }
Command { abstract String execute(Object[] arguments);  String execute(String arguments); String getHelp(); String getCommandName(); Integer getArgumentCount(); }
Command { abstract String execute(Object[] arguments);  String execute(String arguments); String getHelp(); String getCommandName(); Integer getArgumentCount();  }