org.exolab.adaptx.util

Class ListStack

Implemented Interfaces:
Cloneable

public class ListStack
extends List

A representation of a Stack that does not use Synchronization. For compatibility this class supports the same methods as a java.util.Stack (JDK)
Author:
Keith Visco

Constructor Summary

ListStack()
Creates an empty Stack

Method Summary

boolean
empty()
Tests for an empty Stack
Object
peek()
Returns the Object that is currently on top of the Stack.
Object
pop()
Removes and returns the Object that is currently on top of the Stack.
void
push(Object object)
Adds the given Object to the top of the Stack
int
search(Object object)
Searches for the given Object in the stack and returns it's position relative to the top of the Stack.

Methods inherited from class org.exolab.adaptx.util.List

add, add, clear, clone, contains, equals, get, hashCode, indexOf, isEmpty, lastIndexOf, remove, remove, set, size, subList, toArray, toArray, trimToSize

Constructor Details

ListStack

public ListStack()
Creates an empty Stack

Method Details

empty

public boolean empty()
Tests for an empty Stack
Returns:
true if there are no elements on the stack, otherwise false.

peek

public Object peek()
            throws java.util.EmptyStackException
Returns the Object that is currently on top of the Stack. Unlike #pop the Object is not removed from the Stack.
Returns:
the Object that is currently the top of the stack

pop

public Object pop()
            throws java.util.EmptyStackException
Removes and returns the Object that is currently on top of the Stack.
Returns:
the Object that is currently the top of the stack

push

public void push(Object object)
Adds the given Object to the top of the Stack

search

public int search(Object object)
Searches for the given Object in the stack and returns it's position relative to the top of the Stack.