C++/Class/Polymorphism - История изменений

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/vendor/mediawiki/at-ease/src/Functions.php on line 48

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/includes/exception/MWExceptionHandler.php on line 179

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/vendor/mediawiki/at-ease/src/Functions.php on line 48

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/includes/exception/MWExceptionHandler.php on line 179

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/vendor/mediawiki/at-ease/src/Functions.php on line 48

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/includes/exception/MWExceptionHandler.php on line 179

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/vendor/mediawiki/at-ease/src/Functions.php on line 48

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/includes/exception/MWExceptionHandler.php on line 179

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/vendor/mediawiki/at-ease/src/Functions.php on line 48

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/includes/exception/MWExceptionHandler.php on line 179

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/vendor/mediawiki/at-ease/src/Functions.php on line 48

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/includes/exception/MWExceptionHandler.php on line 179

Deprecated: Return type of MediaWiki\Session\PHPSessionHandler::open($save_path, $session_name) should either be compatible with SessionHandlerInterface::open(string $path, string $name): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /var/www/cppe.ru/www/includes/session/PHPSessionHandler.php on line 199

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/includes/exception/MWExceptionHandler.php on line 179

Deprecated: Return type of MediaWiki\Session\PHPSessionHandler::close() should either be compatible with SessionHandlerInterface::close(): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /var/www/cppe.ru/www/includes/session/PHPSessionHandler.php on line 214

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/includes/exception/MWExceptionHandler.php on line 179

Deprecated: Return type of MediaWiki\Session\PHPSessionHandler::read($id) should either be compatible with SessionHandlerInterface::read(string $id): string|false, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /var/www/cppe.ru/www/includes/session/PHPSessionHandler.php on line 228

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/includes/exception/MWExceptionHandler.php on line 179

Deprecated: Return type of MediaWiki\Session\PHPSessionHandler::write($id, $dataStr) should either be compatible with SessionHandlerInterface::write(string $id, string $data): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /var/www/cppe.ru/www/includes/session/PHPSessionHandler.php on line 256

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/includes/exception/MWExceptionHandler.php on line 179

Deprecated: Return type of MediaWiki\Session\PHPSessionHandler::destroy($id) should either be compatible with SessionHandlerInterface::destroy(string $id): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /var/www/cppe.ru/www/includes/session/PHPSessionHandler.php on line 362

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/includes/exception/MWExceptionHandler.php on line 179

Deprecated: Return type of MediaWiki\Session\PHPSessionHandler::gc($maxlifetime) should either be compatible with SessionHandlerInterface::gc(int $max_lifetime): int|false, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /var/www/cppe.ru/www/includes/session/PHPSessionHandler.php on line 383

Warning: ini_set(): Session ini settings cannot be changed after headers have already been sent in /var/www/cppe.ru/www/includes/session/PHPSessionHandler.php on line 126

Warning: ini_set(): Session ini settings cannot be changed after headers have already been sent in /var/www/cppe.ru/www/includes/session/PHPSessionHandler.php on line 127

Warning: session_cache_limiter(): Session cache limiter cannot be changed after headers have already been sent in /var/www/cppe.ru/www/includes/session/PHPSessionHandler.php on line 133

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/includes/exception/MWExceptionHandler.php on line 179

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/vendor/mediawiki/at-ease/src/Functions.php on line 48

Warning: session_set_save_handler(): Session save handler cannot be changed after headers have already been sent in /var/www/cppe.ru/www/includes/session/PHPSessionHandler.php on line 140

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/includes/exception/MWExceptionHandler.php on line 179

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/vendor/mediawiki/at-ease/src/Functions.php on line 48

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/includes/exception/MWExceptionHandler.php on line 179

Deprecated: Return type of Wikimedia\Rdbms\IResultWrapper::current() should either be compatible with Iterator::current(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /var/www/cppe.ru/www/includes/libs/rdbms/database/resultwrapper/IResultWrapper.php on line 70

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/includes/exception/MWExceptionHandler.php on line 179

Deprecated: Return type of Wikimedia\Rdbms\IResultWrapper::next() should either be compatible with Iterator::next(): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /var/www/cppe.ru/www/includes/libs/rdbms/database/resultwrapper/IResultWrapper.php on line 80

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/includes/exception/MWExceptionHandler.php on line 179

Deprecated: Return type of Wikimedia\Rdbms\IResultWrapper::key() should either be compatible with Iterator::key(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /var/www/cppe.ru/www/includes/libs/rdbms/database/resultwrapper/IResultWrapper.php on line 75

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/includes/exception/MWExceptionHandler.php on line 179

Deprecated: Return type of Wikimedia\Rdbms\ResultWrapper::valid() should either be compatible with Iterator::valid(): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /var/www/cppe.ru/www/includes/libs/rdbms/database/resultwrapper/ResultWrapper.php on line 117

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/includes/exception/MWExceptionHandler.php on line 179

Deprecated: Return type of Wikimedia\Rdbms\ResultWrapper::rewind() should either be compatible with Iterator::rewind(): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /var/www/cppe.ru/www/includes/libs/rdbms/database/resultwrapper/ResultWrapper.php on line 90

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/includes/exception/MWExceptionHandler.php on line 179

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/vendor/mediawiki/at-ease/src/Functions.php on line 48

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/includes/exception/MWExceptionHandler.php on line 179

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/vendor/mediawiki/at-ease/src/Functions.php on line 48

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/includes/exception/MWExceptionHandler.php on line 179

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/vendor/mediawiki/at-ease/src/Functions.php on line 48

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/includes/exception/MWExceptionHandler.php on line 179

Deprecated: Return type of MediaWiki\Session\Session::count() should either be compatible with Countable::count(): int, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /var/www/cppe.ru/www/includes/session/Session.php on line 624

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/includes/exception/MWExceptionHandler.php on line 179

Deprecated: Return type of MediaWiki\Session\Session::current() should either be compatible with Iterator::current(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /var/www/cppe.ru/www/includes/session/Session.php on line 629

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/includes/exception/MWExceptionHandler.php on line 179

Deprecated: Return type of MediaWiki\Session\Session::next() should either be compatible with Iterator::next(): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /var/www/cppe.ru/www/includes/session/Session.php on line 639

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/includes/exception/MWExceptionHandler.php on line 179

Deprecated: Return type of MediaWiki\Session\Session::key() should either be compatible with Iterator::key(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /var/www/cppe.ru/www/includes/session/Session.php on line 634

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/includes/exception/MWExceptionHandler.php on line 179

Deprecated: Return type of MediaWiki\Session\Session::valid() should either be compatible with Iterator::valid(): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /var/www/cppe.ru/www/includes/session/Session.php on line 649

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/includes/exception/MWExceptionHandler.php on line 179

Deprecated: Return type of MediaWiki\Session\Session::rewind() should either be compatible with Iterator::rewind(): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /var/www/cppe.ru/www/includes/session/Session.php on line 644

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/includes/exception/MWExceptionHandler.php on line 179

Deprecated: Return type of MediaWiki\Session\Session::offsetExists($offset) should either be compatible with ArrayAccess::offsetExists(mixed $offset): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /var/www/cppe.ru/www/includes/session/Session.php on line 659

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/includes/exception/MWExceptionHandler.php on line 179

Deprecated: Return type of & MediaWiki\Session\Session::offsetGet($offset) should either be compatible with ArrayAccess::offsetGet(mixed $offset): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /var/www/cppe.ru/www/includes/session/Session.php on line 672

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/includes/exception/MWExceptionHandler.php on line 179

Deprecated: Return type of MediaWiki\Session\Session::offsetSet($offset, $value) should either be compatible with ArrayAccess::offsetSet(mixed $offset, mixed $value): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /var/www/cppe.ru/www/includes/session/Session.php on line 681

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/includes/exception/MWExceptionHandler.php on line 179

Deprecated: Return type of MediaWiki\Session\Session::offsetUnset($offset) should either be compatible with ArrayAccess::offsetUnset(mixed $offset): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /var/www/cppe.ru/www/includes/session/Session.php on line 685

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/includes/exception/MWExceptionHandler.php on line 179

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/vendor/mediawiki/at-ease/src/Functions.php on line 48

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/includes/exception/MWExceptionHandler.php on line 179

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/vendor/mediawiki/at-ease/src/Functions.php on line 48

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/includes/exception/MWExceptionHandler.php on line 179

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/vendor/mediawiki/at-ease/src/Functions.php on line 48

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/includes/exception/MWExceptionHandler.php on line 179

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/vendor/mediawiki/at-ease/src/Functions.php on line 48

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/includes/exception/MWExceptionHandler.php on line 179

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/vendor/mediawiki/at-ease/src/Functions.php on line 48

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/includes/exception/MWExceptionHandler.php on line 179

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/vendor/mediawiki/at-ease/src/Functions.php on line 48

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/includes/exception/MWExceptionHandler.php on line 179

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/vendor/mediawiki/at-ease/src/Functions.php on line 48

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/includes/exception/MWExceptionHandler.php on line 179

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/vendor/mediawiki/at-ease/src/Functions.php on line 48

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/includes/exception/MWExceptionHandler.php on line 179

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/vendor/mediawiki/at-ease/src/Functions.php on line 48

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/includes/exception/MWExceptionHandler.php on line 179

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/vendor/mediawiki/at-ease/src/Functions.php on line 48

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/includes/exception/MWExceptionHandler.php on line 179

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/vendor/mediawiki/at-ease/src/Functions.php on line 48

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/includes/exception/MWExceptionHandler.php on line 179

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/vendor/mediawiki/at-ease/src/Functions.php on line 48

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/includes/exception/MWExceptionHandler.php on line 179

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/vendor/mediawiki/at-ease/src/Functions.php on line 48

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/includes/exception/MWExceptionHandler.php on line 179

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/vendor/mediawiki/at-ease/src/Functions.php on line 48

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/includes/exception/MWExceptionHandler.php on line 179

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/vendor/mediawiki/at-ease/src/Functions.php on line 48

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/includes/exception/MWExceptionHandler.php on line 179

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/vendor/mediawiki/at-ease/src/Functions.php on line 48

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/includes/exception/MWExceptionHandler.php on line 179

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/vendor/mediawiki/at-ease/src/Functions.php on line 48

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/includes/exception/MWExceptionHandler.php on line 179

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/vendor/mediawiki/at-ease/src/Functions.php on line 48

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/includes/exception/MWExceptionHandler.php on line 179

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/vendor/mediawiki/at-ease/src/Functions.php on line 48

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/includes/exception/MWExceptionHandler.php on line 179

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/vendor/mediawiki/at-ease/src/Functions.php on line 48

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/includes/exception/MWExceptionHandler.php on line 179

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/vendor/mediawiki/at-ease/src/Functions.php on line 48

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/includes/exception/MWExceptionHandler.php on line 179

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/vendor/mediawiki/at-ease/src/Functions.php on line 48

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/includes/exception/MWExceptionHandler.php on line 179

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/vendor/mediawiki/at-ease/src/Functions.php on line 48

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/includes/exception/MWExceptionHandler.php on line 179

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/vendor/mediawiki/at-ease/src/Functions.php on line 48

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/includes/exception/MWExceptionHandler.php on line 179

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/vendor/mediawiki/at-ease/src/Functions.php on line 48

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/includes/exception/MWExceptionHandler.php on line 179

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/vendor/mediawiki/at-ease/src/Functions.php on line 48

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/includes/exception/MWExceptionHandler.php on line 179

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/vendor/mediawiki/at-ease/src/Functions.php on line 48

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/includes/exception/MWExceptionHandler.php on line 179

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/vendor/mediawiki/at-ease/src/Functions.php on line 48

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/includes/exception/MWExceptionHandler.php on line 179

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/vendor/mediawiki/at-ease/src/Functions.php on line 48

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/includes/exception/MWExceptionHandler.php on line 179

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/vendor/mediawiki/at-ease/src/Functions.php on line 48

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/includes/exception/MWExceptionHandler.php on line 179

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/vendor/mediawiki/at-ease/src/Functions.php on line 48

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/includes/exception/MWExceptionHandler.php on line 179

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/vendor/mediawiki/at-ease/src/Functions.php on line 48

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/includes/exception/MWExceptionHandler.php on line 179

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/vendor/mediawiki/at-ease/src/Functions.php on line 48

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/includes/exception/MWExceptionHandler.php on line 179

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/vendor/mediawiki/at-ease/src/Functions.php on line 48

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/includes/exception/MWExceptionHandler.php on line 179

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/vendor/mediawiki/at-ease/src/Functions.php on line 48

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/includes/exception/MWExceptionHandler.php on line 179

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/vendor/mediawiki/at-ease/src/Functions.php on line 48

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/includes/exception/MWExceptionHandler.php on line 179

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/vendor/mediawiki/at-ease/src/Functions.php on line 48

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/includes/exception/MWExceptionHandler.php on line 179

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/vendor/mediawiki/at-ease/src/Functions.php on line 48

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/includes/exception/MWExceptionHandler.php on line 179

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/vendor/mediawiki/at-ease/src/Functions.php on line 48

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/includes/exception/MWExceptionHandler.php on line 179

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/vendor/mediawiki/at-ease/src/Functions.php on line 48

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/includes/exception/MWExceptionHandler.php on line 179

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/vendor/mediawiki/at-ease/src/Functions.php on line 48

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/includes/exception/MWExceptionHandler.php on line 179

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/vendor/mediawiki/at-ease/src/Functions.php on line 48

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/includes/exception/MWExceptionHandler.php on line 179

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/vendor/mediawiki/at-ease/src/Functions.php on line 48

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/includes/exception/MWExceptionHandler.php on line 179

Deprecated: Message implements the Serializable interface, which is deprecated. Implement __serialize() and __unserialize() instead (or in addition, if support for old PHP versions is necessary) in /var/www/cppe.ru/www/includes/Message.php on line 159

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/includes/exception/MWExceptionHandler.php on line 179

Deprecated: RawMessage implements the Serializable interface, which is deprecated. Implement __serialize() and __unserialize() instead (or in addition, if support for old PHP versions is necessary) in /var/www/cppe.ru/www/includes/RawMessage.php on line 34

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/includes/exception/MWExceptionHandler.php on line 179

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/vendor/mediawiki/at-ease/src/Functions.php on line 48

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/includes/exception/MWExceptionHandler.php on line 179

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/vendor/mediawiki/at-ease/src/Functions.php on line 48

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/includes/exception/MWExceptionHandler.php on line 179

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/vendor/mediawiki/at-ease/src/Functions.php on line 48

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/includes/exception/MWExceptionHandler.php on line 179

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/vendor/mediawiki/at-ease/src/Functions.php on line 48

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/includes/exception/MWExceptionHandler.php on line 179

Deprecated: Creation of dynamic property RequestContext::$recursion is deprecated in /var/www/cppe.ru/www/includes/context/RequestContext.php on line 354

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/includes/exception/MWExceptionHandler.php on line 179

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/vendor/mediawiki/at-ease/src/Functions.php on line 48

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/includes/exception/MWExceptionHandler.php on line 179

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/vendor/mediawiki/at-ease/src/Functions.php on line 48

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/includes/exception/MWExceptionHandler.php on line 179

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/vendor/mediawiki/at-ease/src/Functions.php on line 48

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/includes/exception/MWExceptionHandler.php on line 179

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/vendor/mediawiki/at-ease/src/Functions.php on line 48

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/includes/exception/MWExceptionHandler.php on line 179

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/vendor/mediawiki/at-ease/src/Functions.php on line 48

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/includes/exception/MWExceptionHandler.php on line 179

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/vendor/mediawiki/at-ease/src/Functions.php on line 48

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/includes/exception/MWExceptionHandler.php on line 179

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/vendor/mediawiki/at-ease/src/Functions.php on line 48

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/includes/exception/MWExceptionHandler.php on line 179

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/vendor/mediawiki/at-ease/src/Functions.php on line 48

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/includes/exception/MWExceptionHandler.php on line 179

Deprecated: Constant E_STRICT is deprecated in /var/www/cppe.ru/www/vendor/mediawiki/at-ease/src/Functions.php on line 48

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http://cppe.ru/index.php?action=history&feed=atom&title=C%2B%2B%2FClass%2FPolymorphism C++/Class/Polymorphism - История изменений 2026-11-08T04:35:02Z История изменений этой страницы в вики MediaWiki 1.30.0
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http://cppe.ru/index.php?title=C%2B%2B/Class/Polymorphism&diff=1336&oldid=prev в 14:21, 25 мая 2010 2010-05-25T14:21:06Z

<table class="diff diff-contentalign-left" data-mw="interface"> <tr style="vertical-align: top;" lang="ru"> <td colspan="1" style="background-color: white; color:black; text-align: center;">← Предыдущая</td> <td colspan="1" style="background-color: white; color:black; text-align: center;">Версия 14:21, 25 мая 2010</td> </tr><tr><td colspan="2" style="text-align: center;" lang="ru"><div class="mw-diff-empty">(нет различий)</div> </td></tr></table>

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http://cppe.ru/index.php?title=C%2B%2B/Class/Polymorphism&diff=1337&oldid=prev Admin: 1 версия: Импорт контента... 2010-05-25T10:25:36Z

1 версия: Импорт контента... Новая страница<div>==An example that uses typeid on a polymorphic class hierarchy== <source lang="cpp"> #include <iostream> #include <typeinfo> using namespace std; class Mammal { public: virtual bool laysEggs() { return false; } }; class Cat: public Mammal { public: }; class Platypus: public Mammal { public: bool laysEggs() { return true; } }; int main() { Mammal *p, AnyMammal; Cat cat; Platypus platypus; p = &AnyMammal; cout << "p is pointing to an object of type "; cout << typeid(*p).name() << endl; p = &cat; cout << "p is pointing to an object of type "; cout << typeid(*p).name() << endl; p = &platypus; cout << "p is pointing to an object of type "; cout << typeid(*p).name() << endl; return 0; } </source> ==dynamic allocation and polymorphism== <source lang="cpp"> #include <iostream> using namespace std; class CPolygon { protected: int width, height; public: void set_values (int a, int b) { width=a; height=b; } virtual int area (void) =0; void printarea (void) { cout << this->area() << endl; } }; class CRectangle: public CPolygon { public: int area (void) { return (width * height); } }; class CTriangle: public CPolygon { public: int area (void) { return (width * height / 2); } }; int main () { CPolygon * ppoly1 = new CRectangle; CPolygon * ppoly2 = new CTriangle; ppoly1->set_values (4,5); ppoly2->set_values (4,5); ppoly1->printarea(); ppoly2->printarea(); delete ppoly1; delete ppoly2; return 0; } </source> ==Object array: polymorphism. == <source lang="cpp"> #include <iostream> #include <cstring> using namespace std; class TwoDimensionShape { double width; double height; char name[20]; public: TwoDimensionShape() { width = height = 0.0; strcpy(name, "unknown"); } TwoDimensionShape(double w, double h, char *n) { width = w; height = h; strcpy(name, n); } TwoDimensionShape(double x, char *n) { width = height = x; strcpy(name, n); } void showDim() { cout << "Width and height are " << width << " and " << height << endl; } double getWidth() { return width; } double getHeight() { return height; } void setWidth(double w) { width = w; } void setHeight(double h) { height = h; } char *getName() { return name; } virtual double area() { cout << "Error: area() must be overridden.\n"; return 0.0; } }; class Triangle : public TwoDimensionShape { char style[20]; // now private public: Triangle() { strcpy(style, "unknown"); } Triangle(char *str, double w, double h) : TwoDimensionShape(w, h, "triangle") { strcpy(style, str); } Triangle(double x) : TwoDimensionShape(x, "triangle") { strcpy(style, "isosceles"); } double area() { return getWidth() * getHeight() / 2; } void showStyle() { cout << "Triangle is " << style << endl; } }; class Rectangle : public TwoDimensionShape { public: Rectangle(double w, double h) : TwoDimensionShape(w, h, "rectangle") { } Rectangle(double x) : TwoDimensionShape(x, "rectangle") { } bool isSquare() { if(getWidth() == getHeight()) return true; return false; } // This is another override of area(). double area() { return getWidth() * getHeight(); } }; int main() { TwoDimensionShape *shapes[5]; shapes[0] = &Triangle("right", 8.0, 12.0); shapes[1] = &Rectangle(10); shapes[2] = &Rectangle(10, 4); shapes[3] = &Triangle(7.0); shapes[4] = &TwoDimensionShape(10, 20, "generic"); for(int i = 0; i < 5; i++) { cout << "object is " << shapes[i]->getName() << endl; cout << "Area is " << shapes[i]->area() << endl; cout << endl; } return 0; } </source> ==Polymorphism with base class pointer== <source lang="cpp"> #include <iostream> #include <stdlib.h> using namespace std; class Base { public: virtual int add(int a, int b) { return(a + b); }; virtual int sub(int a, int b) { return(a - b); }; virtual int mult(int a, int b) { return(a * b); }; }; class ShowMath : public Base { virtual int mult(int a, int b) { cout << a * b << endl; return(a * b); }; }; class PositiveSubt : public Base { virtual int sub(int a, int b) { return(abs(a - b)); }; }; int main(void) { Base *poly = new ShowMath; cout << poly->add(562, 531) << " " << poly->sub(1500, 407) << endl; poly->mult(1093, 1); poly = new PositiveSubt; cout << poly->add(892, 201) << " " << poly->sub(0, 1093) << endl; cout << poly->mult(1, 1093); } </source> ==Use virtual functions and polymorphism. == <source lang="cpp"> #include <iostream> #include <cstring> using namespace std; class TwoDimensionShape { double width; double height; char name[20]; public: TwoDimensionShape() { width = height = 0.0; strcpy(name, "unknown"); } TwoDimensionShape(double w, double h, char *n) { width = w; height = h; strcpy(name, n); } TwoDimensionShape(double x, char *n) { width = height = x; strcpy(name, n); } void showDim() { cout << "Width and height are " << width << " and " << height << endl; } double getWidth() { return width; } double getHeight() { return height; } void setWidth(double w) { width = w; } void setHeight(double h) { height = h; } char *getName() { return name; } virtual double area() { cout << "Error: area() must be overridden.\n"; return 0.0; } }; class Triangle : public TwoDimensionShape { char style[20]; // now private public: Triangle() { strcpy(style, "unknown"); } Triangle(char *str, double w, double h) : TwoDimensionShape(w, h, "triangle") { strcpy(style, str); } Triangle(double x) : TwoDimensionShape(x, "triangle") { strcpy(style, "isosceles"); } double area() { return getWidth() * getHeight() / 2; } void showStyle() { cout << "Triangle is " << style << endl; } }; class Rectangle : public TwoDimensionShape { public: Rectangle(double w, double h) : TwoDimensionShape(w, h, "rectangle") { } Rectangle(double x) : TwoDimensionShape(x, "rectangle") { } bool isSquare() { if(getWidth() == getHeight()) return true; return false; } // This is another override of area(). double area() { return getWidth() * getHeight(); } }; int main() { TwoDimensionShape *shapes[5]; shapes[0] = &Triangle("right", 8.0, 12.0); shapes[1] = &Rectangle(10); shapes[2] = &Rectangle(10, 4); shapes[3] = &Triangle(7.0); shapes[4] = &TwoDimensionShape(10, 20, "generic"); for(int i = 0; i < 5; i++) { cout << "object is " << shapes[i]->getName() << endl; cout << "Area is " << shapes[i]->area() << endl; cout << endl; } return 0; } </source></div>

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