Package it.unimi.dsi.fastutil.objects
Class ObjectIterators.EmptyIterator<K>
- java.lang.Object
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- it.unimi.dsi.fastutil.objects.ObjectIterators.EmptyIterator<K>
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- All Implemented Interfaces:
BidirectionalIterator<K>
,ObjectBidirectionalIterator<K>
,ObjectIterator<K>
,ObjectListIterator<K>
,java.io.Serializable
,java.lang.Cloneable
,java.util.Iterator<K>
,java.util.ListIterator<K>
- Enclosing class:
- ObjectIterators
public static class ObjectIterators.EmptyIterator<K> extends java.lang.Object implements ObjectListIterator<K>, java.io.Serializable, java.lang.Cloneable
A class returning no elements and a type-specific iterator interface.This class may be useful to implement your own in case you subclass a type-specific iterator.
- See Also:
- Serialized Form
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description int
back(int n)
Moves back for the given number of elements.java.lang.Object
clone()
void
forEachRemaining(java.util.function.Consumer<? super K> action)
boolean
hasNext()
boolean
hasPrevious()
Returns whether there is a previous element.K
next()
int
nextIndex()
K
previous()
Returns the previous element from the collection.int
previousIndex()
int
skip(int n)
Skips the given number of elements.-
Methods inherited from class java.lang.Object
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
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Methods inherited from interface it.unimi.dsi.fastutil.objects.ObjectListIterator
add, remove, set
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Method Detail
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hasNext
public boolean hasNext()
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hasPrevious
public boolean hasPrevious()
Description copied from interface:BidirectionalIterator
Returns whether there is a previous element.- Specified by:
hasPrevious
in interfaceBidirectionalIterator<K>
- Specified by:
hasPrevious
in interfacejava.util.ListIterator<K>
- Returns:
- whether there is a previous element.
- See Also:
ListIterator.hasPrevious()
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next
public K next()
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previous
public K previous()
Description copied from interface:BidirectionalIterator
Returns the previous element from the collection.- Specified by:
previous
in interfaceBidirectionalIterator<K>
- Specified by:
previous
in interfacejava.util.ListIterator<K>
- Returns:
- the previous element from the collection.
- See Also:
ListIterator.previous()
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nextIndex
public int nextIndex()
- Specified by:
nextIndex
in interfacejava.util.ListIterator<K>
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previousIndex
public int previousIndex()
- Specified by:
previousIndex
in interfacejava.util.ListIterator<K>
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skip
public int skip(int n)
Description copied from interface:ObjectBidirectionalIterator
Skips the given number of elements.The effect of this call is exactly the same as that of calling
Iterator.next()
forn
times (possibly stopping ifIterator.hasNext()
becomes false).- Specified by:
skip
in interfaceObjectBidirectionalIterator<K>
- Specified by:
skip
in interfaceObjectIterator<K>
- Parameters:
n
- the number of elements to skip.- Returns:
- the number of elements actually skipped.
- See Also:
Iterator.next()
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back
public int back(int n)
Description copied from interface:ObjectBidirectionalIterator
Moves back for the given number of elements.The effect of this call is exactly the same as that of calling
BidirectionalIterator.previous()
forn
times (possibly stopping ifBidirectionalIterator.hasPrevious()
becomes false).- Specified by:
back
in interfaceObjectBidirectionalIterator<K>
- Parameters:
n
- the number of elements to skip back.- Returns:
- the number of elements actually skipped.
- See Also:
BidirectionalIterator.previous()
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forEachRemaining
public void forEachRemaining(java.util.function.Consumer<? super K> action)
- Specified by:
forEachRemaining
in interfacejava.util.Iterator<K>
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clone
public java.lang.Object clone()
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