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Class JavaGroups.List 

java.lang.Object
   |
   +----JavaGroups.List
public class List
extends Object
implements Externalizable
Doubly-linked list. Elements can be added at head or tail and removed from head/tail. This class is tuned for element access at either head or tail, random access to elements is not very fast; in this case use Vector. Concurrent access is supported: a thread is blocked while another thread adds/removes an object. When no objects are available, removal returns null.

Constructor Index

o List()

Method Index

o Add(Object)
Adds an object at the tail of the list.
o AddAtHead(Object)
Adds an object at the head of the list.
o Contains(Object)
o Copy()
o Dump()
o Elements()
o GetContents()
o main(String[])
o Peek()
Returns element at the tail (if present), but does not remove it from list.
o PeekAtHead()
Returns element at the head (if present), but does not remove it from list.
o readExternal(ObjectInput)
o Remove()
Removes an object from the tail of the list.
o RemoveAll()
o RemoveElement(Object)
Removes element obj from the list, checking for equality using the equals operator.
o RemoveFromHead()
Removes an object from the head of the list.
o Size()
o toString()
o writeExternal(ObjectOutput)

Constructors

o List 
 public List()

Methods

o Add 
 public void Add(Object obj)
Adds an object at the tail of the list.

o AddAtHead 
 public void AddAtHead(Object obj)
Adds an object at the head of the list.

o Remove 
 public Object Remove()
Removes an object from the tail of the list. Returns null if no elements available

o RemoveFromHead 
 public Object RemoveFromHead()
Removes an object from the head of the list. Returns null if no elements available

o Peek 
 public Object Peek()
Returns element at the tail (if present), but does not remove it from list.

o PeekAtHead 
 public Object PeekAtHead()
Returns element at the head (if present), but does not remove it from list.

o RemoveElement 
 public Object RemoveElement(Object obj)
Removes element obj from the list, checking for equality using the equals operator. Only the first duplicate object is removed. Returns the removed object.

o RemoveAll 
 public void RemoveAll()
o Size 
 public int Size()
o toString 
 public String toString()
Overrides:
toString in class Object
o Dump 
 public String Dump()
o GetContents 
 public Vector GetContents()
o Elements 
 public Enumeration Elements()
o Contains 
 public boolean Contains(Object obj)
o Copy 
 public List Copy()
o writeExternal 
 public void writeExternal(ObjectOutput out) throws IOException
o readExternal 
 public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException
o main 
 public static void main(String args[])

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