it.unimi.dsi.fastutil.objects
Interface ObjectBidirectionalIterator<K>

All Superinterfaces:
BidirectionalIterator<K>, Iterator<K>, ObjectIterator<K>
All Known Subinterfaces:
BooleanBidirectionalIterator, BooleanBigListIterator, BooleanListIterator, ByteBidirectionalIterator, ByteBigListIterator, ByteListIterator, CharBidirectionalIterator, CharBigListIterator, CharListIterator, DoubleBidirectionalIterator, DoubleBigListIterator, DoubleListIterator, FloatBidirectionalIterator, FloatBigListIterator, FloatListIterator, IntBidirectionalIterator, IntBigListIterator, IntListIterator, LongBidirectionalIterator, LongBigListIterator, LongListIterator, ObjectBigListIterator<K>, ObjectListIterator<K>, ShortBidirectionalIterator, ShortBigListIterator, ShortListIterator
All Known Implementing Classes:
AbstractBooleanBidirectionalIterator, AbstractBooleanBigListIterator, AbstractBooleanListIterator, AbstractByteBidirectionalIterator, AbstractByteBigListIterator, AbstractByteListIterator, AbstractCharBidirectionalIterator, AbstractCharBigListIterator, AbstractCharListIterator, AbstractDoubleBidirectionalIterator, AbstractDoubleBigListIterator, AbstractDoubleListIterator, AbstractFloatBidirectionalIterator, AbstractFloatBigListIterator, AbstractFloatListIterator, AbstractIntBidirectionalIterator, AbstractIntBigListIterator, AbstractIntListIterator, AbstractLongBidirectionalIterator, AbstractLongBigListIterator, AbstractLongListIterator, AbstractObjectBidirectionalIterator, AbstractObjectBigListIterator, AbstractObjectListIterator, AbstractShortBidirectionalIterator, AbstractShortBigListIterator, AbstractShortListIterator, BooleanBigListIterators.BigListIteratorListIterator, BooleanBigListIterators.EmptyBigListIterator, BooleanBigListIterators.UnmodifiableBigListIterator, BooleanIterators.EmptyIterator, BooleanIterators.UnmodifiableBidirectionalIterator, BooleanIterators.UnmodifiableListIterator, ByteBigListIterators.BigListIteratorListIterator, ByteBigListIterators.EmptyBigListIterator, ByteBigListIterators.UnmodifiableBigListIterator, ByteIterators.EmptyIterator, ByteIterators.UnmodifiableBidirectionalIterator, ByteIterators.UnmodifiableListIterator, CharBigListIterators.BigListIteratorListIterator, CharBigListIterators.EmptyBigListIterator, CharBigListIterators.UnmodifiableBigListIterator, CharIterators.EmptyIterator, CharIterators.UnmodifiableBidirectionalIterator, CharIterators.UnmodifiableListIterator, DoubleBigListIterators.BigListIteratorListIterator, DoubleBigListIterators.EmptyBigListIterator, DoubleBigListIterators.UnmodifiableBigListIterator, DoubleIterators.EmptyIterator, DoubleIterators.UnmodifiableBidirectionalIterator, DoubleIterators.UnmodifiableListIterator, FloatBigListIterators.BigListIteratorListIterator, FloatBigListIterators.EmptyBigListIterator, FloatBigListIterators.UnmodifiableBigListIterator, FloatIterators.EmptyIterator, FloatIterators.UnmodifiableBidirectionalIterator, FloatIterators.UnmodifiableListIterator, IntBigListIterators.BigListIteratorListIterator, IntBigListIterators.EmptyBigListIterator, IntBigListIterators.UnmodifiableBigListIterator, IntIterators.EmptyIterator, IntIterators.UnmodifiableBidirectionalIterator, IntIterators.UnmodifiableListIterator, LongBigListIterators.BigListIteratorListIterator, LongBigListIterators.EmptyBigListIterator, LongBigListIterators.UnmodifiableBigListIterator, LongIterators.EmptyIterator, LongIterators.UnmodifiableBidirectionalIterator, LongIterators.UnmodifiableListIterator, ObjectBigListIterators.BigListIteratorListIterator, ObjectBigListIterators.EmptyBigListIterator, ObjectBigListIterators.UnmodifiableBigListIterator, ObjectIterators.EmptyIterator, ObjectIterators.UnmodifiableBidirectionalIterator, ObjectIterators.UnmodifiableListIterator, ShortBigListIterators.BigListIteratorListIterator, ShortBigListIterators.EmptyBigListIterator, ShortBigListIterators.UnmodifiableBigListIterator, ShortIterators.EmptyIterator, ShortIterators.UnmodifiableBidirectionalIterator, ShortIterators.UnmodifiableListIterator

public interface ObjectBidirectionalIterator<K>
extends ObjectIterator<K>, BidirectionalIterator<K>

A type-specific bidirectional iterator; provides an additional method to avoid (un)boxing, and the possibility to skip elements backwards.

See Also:
BidirectionalIterator

Method Summary
 int back(int n)
          Moves back for the given number of elements.
 
Methods inherited from interface it.unimi.dsi.fastutil.objects.ObjectIterator
skip
 
Methods inherited from interface it.unimi.dsi.fastutil.BidirectionalIterator
hasPrevious, previous
 
Methods inherited from interface java.util.Iterator
hasNext, next, remove
 

Method Detail

back

int back(int n)
Moves back for the given number of elements.

The effect of this call is exactly the same as that of calling BidirectionalIterator.previous() for n times (possibly stopping if BidirectionalIterator.hasPrevious() becomes false).

Parameters:
n - the number of elements to skip back.
Returns:
the number of elements actually skipped.
See Also:
Iterator.next()