Class XfaForm.Stack2<T>

java.lang.Object

java.util.AbstractCollection<T>

java.util.AbstractList<T>

java.util.ArrayList<T>

com.itextpdf.text.pdf.XfaForm.Stack2<T>

All Implemented Interfaces:

Serializable, Cloneable, Iterable<T>, Collection<T>, List<T>, RandomAccess, SequencedCollection<T>

Enclosing class:

XfaForm

public static class XfaForm.Stack2<T>
extends ArrayList<T>

Another stack implementation. The main use is to facilitate the porting to other languages.

See Also:

• Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
private static final long	serialVersionUID

Fields inherited from class AbstractList

modCount

Constructor Summary

Constructors

Constructor	Description
Stack2()

Method Summary

Modifier and Type	Method	Description
boolean	empty()	Tests if this stack is empty.
T	peek()	Looks at the object at the top of this stack without removing it from the stack.
T	pop()	Removes the object at the top of this stack and returns that object as the value of this function.
T	push(T item)	Pushes an item onto the top of this stack.

Methods inherited from class ArrayList

add, add, addAll, addAll, addFirst, addLast, clear, clone, contains, ensureCapacity, equals, forEach, get, getFirst, getLast, hashCode, indexOf, isEmpty, iterator, lastIndexOf, listIterator, listIterator, remove, remove, removeAll, removeFirst, removeIf, removeLast, removeRange, replaceAll, retainAll, set, size, sort, spliterator, subList, toArray, toArray, trimToSize

Methods inherited from class AbstractCollection

containsAll, toString

Methods inherited from class Object

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

Methods inherited from interface Collection

parallelStream, stream, toArray

Methods inherited from interface List

containsAll, reversed

Field Details

serialVersionUID

private static final long serialVersionUID

See Also:

• Constant Field Values

Constructor Details

Stack2

public Stack2()

Method Details

peek

public T peek()

Looks at the object at the top of this stack without removing it from the stack.

Returns:

the object at the top of this stack

pop

public T pop()

Removes the object at the top of this stack and returns that object as the value of this function.

Returns:

the object at the top of this stack

push

public T push(T item)

Pushes an item onto the top of this stack.

Parameters:

item - the item to be pushed onto this stack

Returns:

the item argument

empty

public boolean empty()

Tests if this stack is empty.

Returns:

true if and only if this stack contains no items; false otherwise