All Packages  Class Hierarchy  This Package  Previous  Next  Index

Class structure.OrderedList 

java.lang.Object
    |
    +----structure.OrderedList
public class OrderedList
extends Object
implements OrderedStructure
A class that implements a collection of values that are kept in order. Base values must be comparable. Unlike Lists there is no notion of head or tail.

Constructor Index

o OrderedList()
Construct an empty ordered list.

Method Index

o add(Object)
Add a value to the ordered list, keeping values in order.
o clear()
Remove all the elements from the ordered list.
o contains(Object)
Determine if the ordered list contains a value.
o elements()
Construct an iterator for traversing elements of ordered list in ascending order.
o isEmpty()
Determine if the list is empty.
o remove(Object)
Remove a value from the ordered list.
o size()
Determine the number of elements in the list.
o toString()
Generate string representation of the ordered list.

Constructors

o OrderedList 
public OrderedList()
Construct an empty ordered list.

Postcondition:
constructs an empty ordered list.

Methods

o clear 
public void clear()
Remove all the elements from the ordered list.

Postcondition:
the ordered list is empty

o add 
public void add(Object value)
Add a value to the ordered list, keeping values in order.

Precondition:
value is non-null
Postcondition:
value is added to the list, leaving it in order

Parameters:
value - The value to be added to the list.
o contains 
public boolean contains(Object value)
Determine if the ordered list contains a value.

Precondition:
value is non-null comparable object
Postcondition:
returns true iff contains value

Parameters:
value - The value sought in the list.
Returns:
The actual value found, or null, if not.
o remove 
public Object remove(Object value)
Remove a value from the ordered list. At most one value is removed.

Precondition:
value is non-null
Postcondition:
an instance of value is removed, if in list.

Parameters:
value - The value to be removed.
Returns:
The actual value removed from the list.
o size 
public int size()
Determine the number of elements in the list.

Precondition:
returns the number of elements in the ordered list

Returns:
The number of elements in the list.
o isEmpty 
public boolean isEmpty()
Determine if the list is empty.

Postcondition:
returns true iff the size is non-zero

Returns:
True if the ordered list is empty.
o elements 
public Iterator elements()
Construct an iterator for traversing elements of ordered list in ascending order.

Postcondition:
returns an iterator over ordered list

Returns:
An iterator traversing elements in ascending order.
o toString 
public String toString()
Generate string representation of the ordered list.

Postcondition:
returns string representation of list

Returns:
String representing ordered list.
Overrides:
toString in class Object
All Packages  Class Hierarchy  This Package  Previous  Next  Index