Package cs2110

Class WordScanner

java.lang.Object

cs2110.WordScanner

All Implemented Interfaces:

Closeable, AutoCloseable, Iterator<WordScanner.WordLine>

public class WordScanner
extends Object
implements Closeable, Iterator<WordScanner.WordLine>

Iterate over the whitespace-separated words in an input source, returning the (1-based) line number along with each word. Whitespace and newline definitions follow those of `Scanner`.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static final record	WordScanner.WordLine	Bundles a word with the line number it was found on.

Constructor Summary

Constructors

Constructor	Description
WordScanner(Reader in)	Create a WordScanner to iterate over the words in input source `in`.

Method Summary

Modifier and Type	Method	Description
void	close()
boolean	hasNext()
IOException	ioException()	Return the last IOException thrown by our source Reader, or null if no IOExceptions have been thrown.
WordScanner.WordLine	next()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface java.util.Iterator

forEachRemaining, remove

Constructor Details

WordScanner

public WordScanner(Reader in)

Create a WordScanner to iterate over the words in input source `in`.

Method Details

hasNext

public boolean hasNext()

Specified by:

hasNext in interface Iterator<WordScanner.WordLine>

next

public WordScanner.WordLine next()

Specified by:

next in interface Iterator<WordScanner.WordLine>

close

public void close()

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable

ioException

public IOException ioException()

Return the last IOException thrown by our source Reader, or null if no IOExceptions have been thrown. Analogous to `Scanner`.