ConsList

java.lang.Object

edu.ksu.cis.viewer.ConsList

public final class ConsList extends Object

An immutable linear recursive structure with a head, which is an Object, and a tail, which is a ConsList.

Author:: Rod Howell (rhowell@ksu.edu)

Constructor Summary

Constructors

Constructor

Description

ConsList()

Constructs an empty ConsList.

ConsList(Object h, ConsList lst)

Constructs a ConsList with the given head and tail.
Method Summary

Modifier and Type

Method

Description

Object

getHead()

Returns the head of this list.

ConsList

getTail()

Returns the tail of the list.

boolean

isEmpty()

Returns true if this list is empty.

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

Constructor Details
- ConsList
  
  public ConsList()
  
  Constructs an empty ConsList.
- ConsList
  
  public ConsList(Object h, ConsList lst)
  
  Constructs a ConsList with the given head and tail. If the given tail is null, an empty ConsList is used in its place.
  
  Parameters:
  
  h - the head of the list
  
  lst - the tail of the list
Method Details
- isEmpty
  
  public boolean isEmpty()
  
  Returns true if this list is empty.
  
  Returns:
  
  whether this list is empty
- getHead
  
  public Object getHead() throws EmptyListException
  
  Returns the head of this list.
  
  Returns:
  
  the head of this list
  
  Throws:
  
  EmptyListException - If this list is empty.
- getTail
  
  public ConsList getTail() throws EmptyListException
  
  Returns the tail of the list.
  
  Returns:
  
  the tail of this list
  
  Throws:
  
  EmptyListException - If this list is empty.