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Interface Iterators.Iterator

public interface Iterator

Method Index

o getFirst()
getFirst should be called before getNext
o getNext()
getNext returns a valid tuple object or null to signal the end of iterator

Methods

o getFirst 
 public abstract Tuple getFirst() throws IOException
getFirst should be called before getNext

o getNext 
 public abstract Tuple getNext() throws IOException
getNext returns a valid tuple object or null to signal the end of iterator 

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