oracle.javatools.parser.util
Class SimpleStack

java.lang.Object
  java.util.AbstractCollection
      java.util.AbstractList
          java.util.ArrayList
              oracle.javatools.parser.util.SimpleStack

All Implemented Interfaces:

java.lang.Cloneable, java.util.Collection, java.util.List, java.util.RandomAccess, java.io.Serializable

public class SimpleStack

extends java.util.ArrayList

SimpleStack is an unsynchronized stack container based off of ArrayList. This is useful since java.util.Stack is based off of Vector and thus carries the performance cost of synchronization.

See Also:

Serialized Form

Field Summary

Fields inherited from class java.util.AbstractList

modCount

Constructor Summary

SimpleStack()
Constructs an empty list.

SimpleStack(java.util.Collection c)
Constructs a stack containing the elements of the specified collection, pushed in the order they are returned by the collection's iterator.

SimpleStack(int initialCapacity)
Constructs an empty stack with the specified initial capacity.

Method Summary

java.lang.Object	peek() Retrieves the object at the top of the stack without removing it.
java.lang.Object	pop() Pops the object off the top of the stack.
void	push(java.lang.Object o) Pushes the object onto the top of the stack by appending it to the end of this list.

Methods inherited from class java.util.ArrayList

add, add, addAll, addAll, clear, clone, contains, ensureCapacity, get, indexOf, isEmpty, lastIndexOf, remove, removeRange, set, size, toArray, toArray, trimToSize

Methods inherited from class java.util.AbstractList

equals, hashCode, iterator, listIterator, listIterator, subList

Methods inherited from class java.util.AbstractCollection

containsAll, remove, removeAll, retainAll, 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, iterator, listIterator, listIterator, remove, removeAll, retainAll, subList

Constructor Detail

SimpleStack

public SimpleStack()

Constructs an empty list.

SimpleStack

public SimpleStack(java.util.Collection c)

Constructs a stack containing the elements of the specified collection, pushed in the order they are returned by the collection's iterator.

SimpleStack

public SimpleStack(int initialCapacity)

Constructs an empty stack with the specified initial capacity.

Method Detail

pop

public java.lang.Object pop()

Pops the object off the top of the stack.

Returns:

the Object popped from the stack

push

public void push(java.lang.Object o)

Pushes the object onto the top of the stack by appending it to the end of this list.

Parameters:

o - the Object to be pushed.

peek

public java.lang.Object peek()

Retrieves the object at the top of the stack without removing it.

Returns:

Object at the top of the stack.