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JanosVM v0.6.0 Java API Documentation: Class List

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JanosVM v0.6.0 Java API

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edu.utah.janosvm.sys
Class List

java.lang.Object
  |
  +--edu.utah.janosvm.sys.List

public class List
extends java.lang.Object

Root for a doubly linked list.

Author:: Tim Stack, Utah Janos Team
See Also:: ListNode

Field Summary

ListNode head
          The header for the list.

ListNode tail
          The tail node for the list.

Constructor Summary

List()
          Construct an empty list object.

Method Summary

void addHead(ListNode ln)
          Add a node to the head of the list.

void addTail(ListNode ln)
          Add a node to the tail of the list.

int count()


boolean isEmpty()


ListNode nodeAt(int index)


ListNode remHead()
          Remove and return the node at the head of the list, or null if its empty.

ListNode remTail()
          Remove and return the node at the tail of the list, or null if its empty.

java.lang.String toString()


Methods inherited from class java.lang.Object

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

Field Detail

head

public ListNode head

The header for the list.

tail

public ListNode tail

The tail node for the list.

Constructor Detail

List

public List()

Construct an empty list object.

Method Detail

count

public int count()

Returns:: The number of nodes in the list.

nodeAt

public ListNode nodeAt(int index)

addHead

public void addHead(ListNode ln)

Add a node to the head of the list.

Parameters:: ln - The node to add.

addTail

public void addTail(ListNode ln)

Add a node to the tail of the list.

Parameters:: ln - The node to add.

remHead

public ListNode remHead()

Remove and return the node at the head of the list, or null if its empty.

Returns:: The node to removed.

remTail

public ListNode remTail()

Remove and return the node at the tail of the list, or null if its empty.

Returns:: The node to removed.

isEmpty

public boolean isEmpty()

Returns:: True if the list is empty, false otherwise.

toString

public java.lang.String toString()

Overrides:: toString in class java.lang.Object