简单的字数统计

// $Id: wc.java,v 1.2 2001/05/31 22:56:19 doug Exp $

// http://www.bagley.org/~doug/shootout/

// with help from [email protected]



import java.io.*;

import java.util.*;

import java.text.*;



// this program modified from:

//   http://cm.bell-labs.com/cm/cs/who/bwk/interps/pap.html

// Timing Trials, or, the Trials of Timing: Experiments with Scripting

// and User-Interface Languages</a> by Brian W. Kernighan and

// Christopher J. Van Wyk.



public class wc {

public static void main(String[] args) {

int nl = 0, nw = 0, nc = 0;



try {

byte[] buff = new byte[4096];

boolean inword = false;

int length;



while ((length = System.in.read(buff)) != -1) {

nc += length;

for(int i = 0; i < length; i++) {

char c = (char)buff[i];

if (c == '\n')

++nl;

if (Character.isWhitespace(c))

inword = false;

else if (inword == false) {

++nw;

inword = true;

}

}

}

} catch (IOException e) {

System.err.println(e);

return;

}

System.out.println(Integer.toString(nl) + " " +

Integer.toString(nw) + " " +

Integer.toString(nc));

}

}