- Qt 6.9
- Qt 5 Core Compatibility APIs
- Qt 5 Core Compatibility C++ Classes
- Qt 6.9.0 Reference Documentation

# Qt 5 Core Compatibility C++ Classes

Contains the Qt 5 Core APIs removed from Qt 6. More...

## Namespaces

QBinaryJson | Contains functions for converting QJsonDocument to and from JSON binary format

## Classes

QLinkedList | Template class that provides linked lists
QLinkedList::const_iterator | QLinkedList::const_iterator class provides an STL-style const iterator for QLinkedList
QLinkedList::iterator | QLinkedList::iterator class provides an STL-style non-const iterator for QLinkedList
QLinkedListIterator | Java-style const iterator for QLinkedList
QMutableLinkedListIterator | Java-style non-const iterator for QLinkedList
QRegExp | Pattern matching using regular expressions
QStringRef | Thin wrapper around QString substrings
QTextCodec | Conversions between text encodings
QTextDecoder | State-based decoder
QTextEncoder | State-based encoder
QXmlAttributes | XML attributes
QXmlContentHandler | Interface to report the logical content of XML data
QXmlDTDHandler | Interface to report DTD content of XML data
QXmlDeclHandler | Interface to report declaration content of XML data
QXmlDefaultHandler | Default implementation of all the XML handler classes
QXmlEntityResolver | Interface to resolve external entities contained in XML data
QXmlErrorHandler | Interface to report errors in XML data
QXmlInputSource | The input data for the QXmlReader subclasses
QXmlLexicalHandler | Interface to report the lexical content of XML data
QXmlLocator | The XML handler classes with information about the parsing position within a file
QXmlNamespaceSupport | Helper class for XML readers which want to include namespace support
QXmlParseException | Used to report errors with the QXmlErrorHandler interface
QXmlReader | Interface for XML readers (i.e. parsers)
QXmlSimpleReader | Implementation of a simple XML parser

## Detailed Description

Qt 5 Core APIs that are no longer supported in Qt 6.