java 统计文本行数_统计文本文件的行数，单词书，字节数

[java]代码库import java.io.*;

/**

* 统计文本文件的行数，单词书，字节数

*/

class WordCount {

public static int words = 1;

public static int lines = 1;

public static int chars = 0;

public static void wc(InputStream f) throws IOException {

int c = 0;

boolean lastNotWhite = false;

String whiteSpace = " \t\n\r";

while ((c = f.read()) != -1) {

chars++;

if (c == '\n') {

lines++;

}

if (whiteSpace.indexOf(c) != -1) {

if (lastNotWhite) {

words++;

}

lastNotWhite = false;

} else {

lastNotWhite = true;

}

}

}

public static void main(String args[]) {

FileInputStream f;

try {

if (args.length == 0) { // We're working with stdin

f = new FileInputStream("c:/123.txt");

wc(f);

} else { // We're working with a list of files

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

f = new FileInputStream(args[i]);

wc(f);

}

}

} catch (IOException e) {

return;

}

System.out.println(lines + "行 " + words + "个单词 " + chars + "个字节");

}

}