Package generic.util
Interface PeekableIterator<T>
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- Type Parameters:
T
- The type of this iterator.
- All Superinterfaces:
java.util.Iterator<T>
- All Known Implementing Classes:
WrappingPeekableIterator
public interface PeekableIterator<T> extends java.util.Iterator<T>
An iterator that allows you to peek at the next item on the iterator.
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Method Summary
All Methods Instance Methods Abstract Methods Modifier and Type Method Description T
peek()
Returns the item that would be returned by callingIterator.next()
, but does not increment the iterator asnext
would.
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Method Detail
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peek
T peek() throws java.util.NoSuchElementException
Returns the item that would be returned by callingIterator.next()
, but does not increment the iterator asnext
would.- Returns:
- the item that would be returned by calling
Iterator.next()
- Throws:
java.util.NoSuchElementException
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