The design patterns require neither unusual language features nor test

The design patterns require neither unusual language features nor amazing program- ming tricks with which to astound your friends and managers. All can be implemented in standard object-oriented languages, though they might take a little more work than ad hocsolutions. But the extra effort invariably pays dividends in increased flexibility and reusability.The design patterns require neither unusual language features nor amazing program- ming tricks with which to astound your friends and managers. All can be implemented in standard object-oriented languages, though they might take a little more work than ad hocsolutions. But the extra effort invariably pays dividends in increased flexibility and reusability.The design patterns require neither unusual language features nor amazing program- ming tricks with which to astound your friends and managers. All can be implemented in standard object-oriented languages, though they might take a little more work than ad hocsolutions. But the extra effort invariably pays dividends in increased flexibility and reusability.