com.pdmfc.tea.util
Class SList

java.lang.Object
  |
  +--com.pdmfc.tea.util.SList

public class SList

extends java.lang.Object

Implements an ordered list of objects. The list can be traversed from its beggining to its end.

Field Summary

protected SListNode	_head
protected int	_size
protected SListNode	_tail

Constructor Summary

SList()
This constructor builds an empty list.

Method Summary

void	append(java.lang.Object obj) Appends the object given as argument to the end of the list.
java.util.Enumeration	elements() Deprecated. Use the iterator() method instead.
void	empty() Emptys the list.
SListNode	head()
java.util.Iterator	iterator()
void	prepend(java.lang.Object obj) Inserts the object given as argument to the start of the list.
int	size() Returns the number of elements on the list.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

_head

protected SListNode _head

_tail

protected SListNode _tail

_size

protected int _size

Constructor Detail

SList

public SList()

This constructor builds an empty list.

Method Detail

append

public void append(java.lang.Object obj)

Appends the object given as argument to the end of the list.

Parameters:

obj - Reference to the object to be appended to the end of the list.

prepend

public void prepend(java.lang.Object obj)

Inserts the object given as argument to the start of the list.

Parameters:

obj - Reference to the object to be inserted at the start of the list.

empty

public void empty()

Emptys the list.

size

public int size()

Returns the number of elements on the list.

Returns:

The number of elements on the list.

iterator

public java.util.Iterator iterator()

Returns:

An Enumeration object that may be used to iterate over the list elements.

elements

public java.util.Enumeration elements()

Deprecated. Use the iterator() method instead.

Builds an Enumeration to iterate over the list elements. The Enumeration will retrieve the elements by their order in the list.

Returns:

An Enumeration object that may be used to iterate over the list elements.

head

public SListNode head()