Java Reference
In-Depth Information
A
BSTRACT
D
ATA
T
YPE
: S
ORTED
L
IST
D
ATA
•
A collection of objects in sorted order and having the same data type
•
The number of objects in the collection
O
PERATIONS
P
SEUDOCODE
UML
D
ESCRIPTION
add(newEntry)
+add(newEntry: T): void
Task: Adds
newEntry
to the sorted list so
that the list remains sorted.
Input:
newEntry
is the object to be added.
Output: None.
remove(anEntry)
+remove(anEntry: T): boolean
Task: Removes the first or only occurrence
of
anEntry
from the sorted list.
Input:
anEntry
is the object to be
removed.
Output: Returns true if
anEntry
was
located and removed, or false if not.
In the latter case, the list remains
unchanged.
getPosition(anEntry)
+getPosition(anEntry: T): integer
Task: Gets the position of the first or only
occurrence of
anEntry
.
Input:
anEntry
is the object to be found.
Output: Returns the position of
anEntry
if
it occurs in the list. Otherwise,
returns the position where
anEntry
would occur in the list, but as a
negative integer.
The following operations behave as they do for the ADT list and are described in Chapter 12:
getEntry(givenPosition)
contains(anEntry)
remove(givenPosition)
clear()
getLength()
isEmpty()
toArray()
