com.itextpdf.text.pdf

Class XfaForm.Stack2

java.lang.Object

java.util.AbstractCollection

java.util.AbstractList

java.util.ArrayList

com.itextpdf.text.pdf.XfaForm.Stack2

All Implemented Interfaces:

Serializable, Cloneable, Iterable, Collection, List, RandomAccess

Enclosing class:

XfaForm

public static class XfaForm.Stack2
extends ArrayList

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

See Also:

Serialized Form

Field Summary

Fields inherited from class java.util.AbstractList

modCount

Constructor Summary

Constructors

Constructor and Description
Stack2()

Method Summary

Modifier and Type	Method and 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 java.util.ArrayList

add, add, addAll, addAll, clear, clone, contains, ensureCapacity, forEach, get, indexOf, isEmpty, iterator, lastIndexOf, listIterator, listIterator, remove, remove, removeAll, removeIf, removeRange, replaceAll, retainAll, set, size, sort, spliterator, subList, toArray, toArray, trimToSize

Methods inherited from class java.util.AbstractList

equals, hashCode

Methods inherited from class java.util.AbstractCollection

containsAll, toString

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.List

containsAll, equals, hashCode

Methods inherited from interface java.util.Collection

parallelStream, stream

Constructor Detail

Stack2

public Stack2()

Method Detail

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