Question

The non-GUI classes are general-purpose collection and string classes that may be used independently of the GUI classes.

In particular, these classes do not depend on QApplication at all, and so can be used in non-GUI programs.

See also the introduction to the Qt collection classes.

QAsciiCache	Template class that provides a cache based on char* keys
QAsciiCacheIterator	Iterator for QAsciiCache collections
QAsciiDict	Template class that provides a dictionary based on char* keys
QAsciiDictIterator	Iterator for QAsciiDict collections
QBitArray	Array of bits
QByteArray	Array of bytes
QCache	Template class that provides a cache based on QString keys
QCacheIterator	Iterator for QCache collections
QCString	Abstraction of the classic C zero-terminated char array (char *)
QDict	Template class that provides a dictionary based on QString keys
QDictIterator	Iterator for QDict collections
QIntCache	Template class that provides a cache based on long keys
QIntCacheIterator	Iterator for QIntCache collections
QIntDict	Template class that provides a dictionary based on long keys
QIntDictIterator	Iterator for QIntDict collections
QMap	Value-based template class that provides a dictionary
QMapConstIterator	Iterator for QMap
QMapIterator	Iterator for QMap
QMemArray	Template class that provides arrays of simple types
QObjectList	QPtrList of QObjects
QObjectListIt	Iterator for QObjectLists
QPair	Value-based template class that provides a pair of elements
QPtrCollection	The base class of most pointer-based Qt collections
QPtrDict	Template class that provides a dictionary based on void* keys
QPtrDictIterator	Iterator for QPtrDict collections
QPtrList	Template class that provides doubly-linked lists
QPtrListIterator	Iterator for QPtrList collections
QPtrQueue	Template class that provides a queue
QPtrStack	Template class that provides a stack
QPtrVector	Template collection class that provides a vector (array)
QRegExp	Pattern matching using regular expressions
QStrIList	Doubly-linked list of char* with case-insensitive comparison
QString	Abstraction of Unicode text and the classic C null-terminated char array
QStringList	List of strings
QStrList	Doubly-linked list of char*
QStrListIterator	Iterator for the QStrList and QStrIList classes
QValueList	Value-based template class that provides doubly linked lists
QValueListConstIterator	Const iterator for QValueList
QValueListIterator	Iterator for QValueList
QValueStack	Value-based template class that provides a stack
QValueVector	Value-based template class that provides a dynamic array