Package com.itextpdf.text.pdf
Class XfaForm.Stack2<T>
- java.lang.Object
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- java.util.AbstractCollection<E>
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- java.util.AbstractList<E>
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- java.util.ArrayList<T>
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- com.itextpdf.text.pdf.XfaForm.Stack2<T>
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- All Implemented Interfaces:
java.io.Serializable
,java.lang.Cloneable
,java.lang.Iterable<T>
,java.util.Collection<T>
,java.util.List<T>
,java.util.RandomAccess
- Enclosing class:
- XfaForm
public static class XfaForm.Stack2<T> extends java.util.ArrayList<T>
Another stack implementation. The main use is to facilitate the porting to other languages.- See Also:
- Serialized Form
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Field Summary
Fields Modifier and Type Field Description private static long
serialVersionUID
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Constructor Summary
Constructors Constructor Description Stack2()
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Method Summary
All Methods Instance Methods Concrete Methods 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 java.util.ArrayList
add, add, addAll, addAll, clear, clone, contains, ensureCapacity, equals, forEach, get, hashCode, indexOf, isEmpty, iterator, lastIndexOf, listIterator, listIterator, remove, remove, removeAll, removeIf, removeRange, replaceAll, retainAll, set, size, sort, spliterator, subList, toArray, toArray, trimToSize
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Field Detail
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serialVersionUID
private static final long serialVersionUID
- See Also:
- Constant Field Values
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Method Detail
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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
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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
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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
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empty
public boolean empty()
Tests if this stack is empty.- Returns:
true
if and only if this stack contains no items;false
otherwise
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