Opus5
Interface Multiset

All Superinterfaces:

Comparable, Container, SearchableContainer

All Known Implementing Classes:

MultisetAsLinkedList, MultisetAsArray

public interface Multiset

extends SearchableContainer

Encapsulates methods common to all multisets.

Version:

$Id: Multiset.java,v 3.2 1998/07/28 02:49:09 brpreiss Exp $

Author:

Bruno R. Preiss, P.Eng.

Field Summary

static java.lang.String

copyright

Method Summary

Multiset	difference(Multiset set) Returns the difference between this set and the specified set.
Multiset	intersection(Multiset set) Returns the intersection of this set and the specified set.
boolean	isEQ(Multiset set) Tests whether this set is equal to the specified set.
boolean	isSubset(Multiset set) Tests whether this set is a subset of the specified set.
Multiset	union(Multiset set) Returns the union of this set and the specified set.

Methods inherited from interface Opus5.SearchableContainer

find, insert, isMember, withdraw

Methods inherited from interface Opus5.Container

accept, getCount, getEnumeration, isEmpty, isFull, purge

Methods inherited from interface Opus5.Comparable

compare, isEQ, isGE, isGT, isLE, isLT, isNE

Field Detail

copyright

public static final java.lang.String copyright

Method Detail

union

public Multiset union(Multiset set)

Returns the union of this set and the specified set.

Parameters:

set - The set to be joined with this set.

Returns:

The union of this set and the specified set.

intersection

public Multiset intersection(Multiset set)

Returns the intersection of this set and the specified set.

Parameters:

set - The set to be intersected with this set.

Returns:

The intersection of this set and the specified set.

difference

public Multiset difference(Multiset set)

Returns the difference between this set and the specified set.

Parameters:

set - The set to subtract from this set.

Returns:

The difference between this set and the specified set.

isEQ

public boolean isEQ(Multiset set)

Tests whether this set is equal to the specified set.

Parameters:

set - The set to which this set is compared.

Returns:

True if this set is equal to the specified set; false otherwise.

isSubset

public boolean isSubset(Multiset set)

Tests whether this set is a subset of the specified set.

Parameters:

set - The set to which this set is compared.

Returns:

True if this set is a subset of the specified set; false otherwise.