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## org.jivesoftware.util
Class LinkedList

    java.lang.Object
      org.jivesoftware.util.LinkedList

    public class LinkedList

extends Object

Simple LinkedList implementation. The main feature is that list nodes are public, which allows very fast delete operations when one has a reference to the node that is to be deleted.

Author:
  Jive Software

Constructor Summary
`LinkedList()` Creates a new linked list.

Method Summary
`LinkedListNode` | `addFirst(LinkedListNode node)` Adds a node to the beginning of the list.
`LinkedListNode` | `addFirst(Object object)` Adds an object to the beginning of the list by automatically creating a a new node and adding it to the beginning of the list.
`LinkedListNode` | `addLast(Object object)` Adds an object to the end of the list by automatically creating a a new node and adding it to the end of the list.
`void` | `clear()` Erases all elements in the list and re-initializes it.
`LinkedListNode` | `getFirst()` Returns the first linked list node in the list.
`LinkedListNode` | `getLast()` Returns the last linked list node in the list.
`String` | `toString()` Returns a String representation of the linked list with a comma delimited list of all the elements in the list.

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait`

Constructor Detail

### LinkedList

    public LinkedList()

  Creates a new linked list.

Method Detail

### getFirst

    public LinkedListNode getFirst()

  Returns the first linked list node in the list.

  Returns:
    the first element of the list.

### getLast

    public LinkedListNode getLast()

  Returns the last linked list node in the list.

  Returns:
    the last element of the list.

### addFirst

    public LinkedListNode addFirst(LinkedListNode node)

  Adds a node to the beginning of the list.

  Parameters:
    `node` - the node to add to the beginning of the list.

### addFirst

    public LinkedListNode addFirst(Object object)

  Adds an object to the beginning of the list by automatically creating a a new node and adding it to the beginning of the list.

  Parameters:
    `object` - the object to add to the beginning of the list.
  Returns:
    the node created to wrap the object.

### addLast

    public LinkedListNode addLast(Object object)

  Adds an object to the end of the list by automatically creating a a new node and adding it to the end of the list.

  Parameters:
    `object` - the object to add to the end of the list.
  Returns:
    the node created to wrap the object.

### clear

    public void clear()

  Erases all elements in the list and re-initializes it.

### toString

    public String toString()

  Returns a String representation of the linked list with a comma delimited list of all the elements in the list.

  Overrides:
    `toString` in class `Object`
  Returns:
    a String representation of the LinkedList.

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Copyright © 2003-2007 Jive Software.