Package ball.game.sudoku

Class Digits

java.lang.Object

java.util.AbstractCollection<E>

java.util.AbstractSet<E>

java.util.TreeSet<Integer>

ball.game.sudoku.Digits

All Implemented Interfaces:

Serializable, Cloneable, Iterable<Integer>, Collection<Integer>, NavigableSet<Integer>, Set<Integer>, SortedSet<Integer>

Direct Known Subclasses:

Cell

public class Digits
extends TreeSet<Integer>

Sudoku Digits.

Author:

Allen D. Ball

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
protected static SortedSet<Integer>	ALL
protected static int	SUM

Constructor Summary

Constructors

Constructor	Description
Digits()

Method Summary

Modifier and Type	Method	Description
boolean	add(Integer digit)
boolean	addAll(Integer... digits)	See addAll(Collection).
boolean	addAll(Collection<? extends Integer> collection)
boolean	removeAll(Integer... digits)	See AbstractSet.removeAll(Collection).
boolean	retainAll(Integer... digits)	See AbstractCollection.retainAll(Collection).

Methods inherited from class java.util.TreeSet

ceiling, clear, clone, comparator, contains, descendingIterator, descendingSet, first, floor, headSet, headSet, higher, isEmpty, iterator, last, lower, pollFirst, pollLast, remove, size, spliterator, subSet, subSet, tailSet, tailSet

Methods inherited from class java.util.AbstractSet

equals, hashCode, removeAll

Methods inherited from class java.util.AbstractCollection

containsAll, retainAll, toArray, toArray, toString

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface java.util.Collection

parallelStream, removeIf, stream, toArray

Methods inherited from interface java.lang.Iterable

forEach

Methods inherited from interface java.util.Set

containsAll, equals, hashCode, removeAll, retainAll, toArray, toArray

Field Detail

ALL

protected static final SortedSet<Integer> ALL

SUM

protected static final int SUM

Constructor Detail

Digits

public Digits()

Method Detail

addAll

public boolean addAll(Integer... digits)

See addAll(Collection).

Parameters:

digits - The digits to add.

Returns:

true if this Digits changes; false otherwise.

removeAll

public boolean removeAll(Integer... digits)

See AbstractSet.removeAll(Collection).

Parameters:

digits - The digits to remove.

Returns:

true if this Digits changes; false otherwise.

retainAll

public boolean retainAll(Integer... digits)

See AbstractCollection.retainAll(Collection).

Parameters:

digits - The digits to retain.

Returns:

true if this Digits changes; false otherwise.

add

public boolean add(Integer digit)

Specified by:

add in interface Collection<Integer>

Specified by:

add in interface Set<Integer>

Overrides:

add in class TreeSet<Integer>

addAll

public boolean addAll(Collection<? extends Integer> collection)

Specified by:

addAll in interface Collection<Integer>

Specified by:

addAll in interface Set<Integer>

Overrides:

addAll in class TreeSet<Integer>