Module qtjambi

Package io.qt.core

Class QStack<T>

java.lang.Object

io.qt.QtObject

io.qt.core.QList<T>

io.qt.core.QStack<T>

All Implemented Interfaces:

QtObjectInterface, Cloneable, Iterable<T>, Collection<T>, List<T>, Queue<T>, SequencedCollection<T>

public class QStack<T>
extends QList<T>
implements Queue<T>

Java wrapper for Qt class QStack

Due to changes in Java 21 QStack does no longer implement Deque interface. Instead call asDeque() to get a Deque wrapper for the stack.

Constructor Summary

Constructors

Constructor	Description
QStack(QMetaType metaType)	Creating a container with given element type and size.
QStack(QMetaType.Type metaType)	Creating a container with given element type and size.
QStack(Class<T> elementType)	Creating a container with given element type.
QStack(Collection<T> other)	Creating a container with given content.

Method Summary

Modifier and Type	Method	Description
final boolean	addAll(int index, Collection<? extends T> c)	Inserts all of the elements in the specified collection into this list at the specified position.
final boolean	addAll(Collection<? extends T> c)	Appends all of the elements in the specified collection to the end of this list.
final void	addFirst(T e)
final void	addLast(T e)
final Deque<T>	asDeque()	Due to changes in Java 21 QStack does no longer implement Deque interface.
QStack<T>	clone()	Creates and returns a copy of this object.
final boolean	containsAll(Collection<?> c)	Returns true if this container contains all of the elements in the specified collection.
static QStack<Object>	createVariantStack()	Creating a container of type QVariant.
final Iterator<T>	descendingIterator()
final T	element()
final T	getFirst()
final T	getLast()
final Iterator<T>	iterator()	Returns an iterator over elements of type T.
final ListIterator<T>	listIterator()	Returns a list iterator over the elements in this list (in proper sequence).
final ListIterator<T>	listIterator(int index)	Returns a list iterator over the elements in this list (in proper sequence), starting at the specified position in the list.
static <T> QStack<T>	of(T element0, T ... elements)	Returns a QStack containing given elements.
final boolean	offer(T e)
final boolean	offerFirst(T e)
final boolean	offerLast(T e)
final T	peek()
final T	peekFirst()
final T	peekLast()
final T	poll()
final T	pollFirst()
final T	pollLast()
final T	pop()	See QStack::pop()
final void	push(T e)	See QStack::push(T)
final T	remove()
final T	remove(int index)	Removes the element at the specified position in this list.
final boolean	removeAll(Collection<?> c)	Removes all of this container elements that are also contained in the specified collection.
final boolean	removeFirstOccurrence(Object o)
final boolean	removeLastOccurrence(Object o)
final boolean	retainAll(Collection<?> c)	Retains only the elements in this list that are contained in the specified collection (optional operation).
final List<T>	subList(int fromIndex, int toIndex)	Returns a view of the portion of this list between the specified fromIndex, inclusive, and toIndex, exclusive.
final Object[]	toArray()	Returns an array containing all of the elements in this container.
final <A> A[]	toArray(A[] a)	Returns an array containing all of the elements in this container.
final T	top()	Creates and returns a copy of this object.

Methods inherited from class io.qt.core.QList

add, add, append, append, at, begin, capacity, clear, constBegin, constEnd, contains, count, count, createVariantList, createVariantList, end, endsWith, equals, fill, fill, first, get, hashCode, indexOf, indexOf, insert, insert, isEmpty, last, lastIndexOf, lastIndexOf, length, mid, mid, move, of, prepend, readFrom, remove, remove, removeAll, removeAt, removeFirst, removeIf, removeLast, removeOne, replace, reserve, resize, set, size, squeeze, startsWith, swapItemsAt, takeAt, takeFirst, takeLast, toString, value, value, writeTo

Methods inherited from class io.qt.QtObject

dispose, isDisposed

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface java.util.Collection

parallelStream, removeIf, stream, toArray

Methods inherited from interface java.lang.Iterable

forEach

Methods inherited from interface java.util.List

containsAll, iterator, removeAll, replaceAll, reversed, sort, spliterator, toArray, toArray

Methods inherited from interface java.util.Queue

add

Constructor Details

QStack

public QStack(QMetaType metaType)

Creating a container with given element type and size.

See QStack::QStack()

Parameters:

metaType - the type T

QStack

public QStack(QMetaType.Type metaType)

Creating a container with given element type and size.

See QStack::QStack()

Parameters:

metaType - the type T

QStack

public QStack(Class<T> elementType)

Creating a container with given element type.

See QStack::QStack()

Parameters:

elementType - the type T

QStack

public QStack(Collection<T> other)

Creating a container with given content.

See QStack::QStack(const QStack<T> &)

Parameters:

other - container

Method Details

createVariantStack

public static QStack<Object> createVariantStack()

Creating a container of type QVariant.

clone

public QStack<T> clone()

Creates and returns a copy of this object.

See QStack::QStack(const QStack<T> &)

Overrides:

clone in class QList<T>

remove

@QtUninvokable
public final T remove()

Specified by:

remove in interface Queue<T>

See Also:

• Deque.remove()

addFirst

@QtUninvokable
public final void addFirst(T e)

Specified by:

addFirst in interface List<T>

Specified by:

addFirst in interface SequencedCollection<T>

See Also:

• Deque.addFirst(Object)

addLast

@QtUninvokable
public final void addLast(T e)

Specified by:

addLast in interface List<T>

Specified by:

addLast in interface SequencedCollection<T>

See Also:

• Deque.addLast(Object)

offerFirst

@QtUninvokable
public final boolean offerFirst(T e)

See Also:

• Deque.offerFirst(Object)

offerLast

@QtUninvokable
public final boolean offerLast(T e)

See Also:

• Deque.offerLast(Object)

pollFirst

@QtUninvokable
public final T pollFirst()

See Also:

• Deque.pollFirst()

pollLast

@QtUninvokable
public final T pollLast()

See Also:

• Deque.pollLast()

getFirst

@QtUninvokable
public final T getFirst()

Specified by:

getFirst in interface List<T>

Specified by:

getFirst in interface SequencedCollection<T>

See Also:

• Deque.getFirst()

getLast

@QtUninvokable
public final T getLast()

Specified by:

getLast in interface List<T>

Specified by:

getLast in interface SequencedCollection<T>

See Also:

• Deque.getLast()

poll

@QtUninvokable
public final T poll()

Specified by:

poll in interface Queue<T>

See Also:

• Deque.poll()

element

@QtUninvokable
public final T element()

Specified by:

element in interface Queue<T>

See Also:

• Deque.element()

peek

@QtUninvokable
public final T peek()

Specified by:

peek in interface Queue<T>

See Also:

• Deque.peek()

offer

@QtUninvokable
public final boolean offer(T e)

Specified by:

offer in interface Queue<T>

See Also:

• Deque.offer(Object)

removeFirstOccurrence

@QtUninvokable
public final boolean removeFirstOccurrence(Object o)

See Also:

• Deque.removeFirstOccurrence(Object)

removeLastOccurrence

@QtUninvokable
public final boolean removeLastOccurrence(Object o)

See Also:

• Deque.removeLastOccurrence(Object)

descendingIterator

@QtUninvokable
public final Iterator<T> descendingIterator()

See Also:

• Deque.descendingIterator()

peekFirst

@QtUninvokable
public final T peekFirst()

See Also:

• Deque.peekFirst()

top

@QtUninvokable
public final T top()

Creates and returns a copy of this object.

See QStack::top()const

peekLast

@QtUninvokable
public final T peekLast()

See Also:

• Deque.peekLast()

push

@QtUninvokable
public final void push(T e)

See QStack::push(T)

See Also:

• Deque.push(Object)

pop

@QtUninvokable
public final T pop()

See QStack::pop()

See Also:

• Deque.pop()

asDeque

@QtUninvokable
public final Deque<T> asDeque()

Due to changes in Java 21 QStack does no longer implement Deque interface. Instead call asDeque() to get a Deque wrapper for the stack.

Returns:

Deque wrapper

Since:

6.6.1

of

@SafeVarargs
public static <T> QStack<T> of(T element0,
 T ... elements)

Returns a QStack containing given elements.

Type Parameters:

T - the QStack's element type

Parameters:

element0 - the first element

elements - subsequent elements

Returns:

a QStack containing the specified element

Throws:

NullPointerException - if elements are null

addAll

@QtUninvokable
public final boolean addAll(Collection<? extends T> c)

Appends all of the elements in the specified collection to the end of this list.

Specified by:

addAll in interface Collection<T>

Specified by:

addAll in interface List<T>

addAll

@QtUninvokable
public final boolean addAll(int index,
 Collection<? extends T> c)

Inserts all of the elements in the specified collection into this list at the specified position.

Specified by:

addAll in interface List<T>

remove

@QtUninvokable
public final T remove(int index)

Removes the element at the specified position in this list.

Specified by:

remove in interface List<T>

listIterator

@QtUninvokable
public final ListIterator<T> listIterator()

Returns a list iterator over the elements in this list (in proper sequence).

Specified by:

listIterator in interface List<T>

listIterator

@QtUninvokable
public final ListIterator<T> listIterator(int index)

Returns a list iterator over the elements in this list (in proper sequence), starting at the specified position in the list.

Specified by:

listIterator in interface List<T>

subList

@QtUninvokable
public final List<T> subList(int fromIndex,
 int toIndex)

Returns a view of the portion of this list between the specified fromIndex, inclusive, and toIndex, exclusive. (If fromIndex and toIndex are equal, the returned list is empty.) The returned list is backed by this list, so non-structural changes in the returned list are reflected in this list, and vice-versa. The returned list supports all of the optional list operations supported by this list.

Specified by:

subList in interface List<T>

retainAll

@QtUninvokable
public final boolean retainAll(Collection<?> c)

Retains only the elements in this list that are contained in the specified collection (optional operation). In other words, removes from this list all of its elements that are not contained in the specified collection.

Specified by:

retainAll in interface Collection<T>

Specified by:

retainAll in interface List<T>

toArray

@QtUninvokable
public final Object[] toArray()

Returns an array containing all of the elements in this container.

Specified by:

toArray in interface Collection<T>

toArray

@QtUninvokable
public final <A> A[] toArray(A[] a)

Returns an array containing all of the elements in this container.

Specified by:

toArray in interface Collection<T>

containsAll

@QtUninvokable
public final boolean containsAll(Collection<?> c)

Returns true if this container contains all of the elements in the specified collection.

Specified by:

containsAll in interface Collection<T>

removeAll

@QtUninvokable
public final boolean removeAll(Collection<?> c)

Removes all of this container elements that are also contained in the specified collection.

Specified by:

removeAll in interface Collection<T>

iterator

@QtUninvokable
public final Iterator<T> iterator()

Returns an iterator over elements of type T.

Specified by:

iterator in interface Collection<T>

Specified by:

iterator in interface Iterable<T>

Returns:

an Iterator