WC Class Reference

Collaboration diagram for WC:

Classes
class	WCStatistics

Static Public Member Functions
static void	main (String[] args) throws IOException

Static Private Member Functions
static void	collectInFourPasses (BufferedReader reader) throws IOException
static void	collectInOnePass (BufferedReader reader)
static void	usage ()

Static Private Attributes
static final Pattern	nonWordPattern = Pattern.compile("\\W")
static final int	READ_AHEAD_LIMIT = 100_000_000

Detailed Description

WC - Prints newline, word, and character counts for each file. See the usage method for instructions and command line parameters. This sample shows usages of:

• Lambda and bulk operations. Shows how to create a custom collector to gather custom statistics. Implements the collection of statistics using a built-in API.
• Constructor reference.
• Try-with-resources feature.

Definition at line 60 of file WC.java.

Member Function Documentation

collectInFourPasses()

static void WC.collectInFourPasses ( BufferedReader  reader ) throws IOException

staticprivate

Definition at line 103 of file WC.java.

Referenced by main().

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collectInOnePass()

static void WC.collectInOnePass ( BufferedReader  reader )

staticprivate

Definition at line 138 of file WC.java.

References WC.WCStatistics.accept(), and WC.WCStatistics.combine().

Referenced by main().

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main()

static void WC.main ( String[]  args ) throws IOException

static

The main method for the WC program. Run the program with an empty argument list to see possible arguments.

Parameters

args	the argument list for WC

Exceptions

java.io.IOException

If an input exception occurred.

Definition at line 75 of file WC.java.

References collectInFourPasses(), collectInOnePass(), READ_AHEAD_LIMIT, and usage().

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usage()

static void WC.usage ( )

staticprivate

Definition at line 163 of file WC.java.

Referenced by main().

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Member Data Documentation

nonWordPattern

final Pattern WC.nonWordPattern = Pattern.compile("\\W")

staticprivate

Definition at line 66 of file WC.java.

Referenced by WC.WCStatistics.accept().

READ_AHEAD_LIMIT

final int WC.READ_AHEAD_LIMIT = 100_000_000

staticprivate

Definition at line 63 of file WC.java.

Referenced by main().

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The documentation for this class was generated from the following file:

• build/windows-installer/unpacked/java-se-8u41-ri/sample/lambda/BulkDataOperations/src/WC.java