统计文件中的不同长度的单词个数代码,Java代码库,德仔网

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【Java】统计文件中的不同长度的单词个数

作者:using System; / 发布于2011/7/20/ 809

<div><span style="color: rgb(127,0,85)">import </span>java.io.*;
<span style="color: rgb(127,0,85)">import </span>java.util.Scanner;

<span style="color: rgb(127,0,85)">public class </span>Zhidao {

 <span style="color: rgb(127,0,85)">public static void </span>main(String[] args) <span style="color: rgb(127,0,85)">throws </span>IOException {
 String filePath = <span style="color: rgb(42,0,255)">"d:\\text.dat"</span>; <span style="color: rgb(63,127,95)">//要分析的文件路径，可以使用args传入
 </span>FileReader reader = <span style="color: rgb(127,0,85)">new </span>FileReader(filePath);
 BufferedReader buffer = <span style="color: rgb(127,0,85)">new </span>BufferedReader(reader);
 String line;
 <span style="color: rgb(127,0,85)">while</span>((line = buffer.readLine())!=<span style="color: rgb(127,0,85)">null</span>){
 System.<span style="color: rgb(0,0,192)">out</span>.println(line);
 }
 buffer.close();
 reader.close();

 <span style="color: rgb(127,0,85)">int</span>[] words = <span style="color: rgb(127,0,85)">new int</span>[500]; <span style="color: rgb(63,127,95)">//最多500个单词
 </span>Scanner scan = <span style="color: rgb(127,0,85)">new </span>Scanner(<span style="color: rgb(127,0,85)">new </span>File(filePath));
 <span style="color: rgb(127,0,85)">int </span>index = 0;
 <span style="color: rgb(127,0,85)">while</span>(scan.hasNext() && index < 500)
 {
 index++;
 <span style="color: rgb(127,0,85)">int </span>wordLength = scan.next().length();
 words[wordLength] = words[wordLength] + 1;
 }
 <span style="color: rgb(127,0,85)">for</span>(<span style="color: rgb(127,0,85)">int </span>i = 0; i < words.<span style="color: rgb(0,0,192)">length</span>; i++)
 {
 <span style="color: rgb(127,0,85)">if </span>(words[i] > 0)
 {
 System.<span style="color: rgb(0,0,192)">out</span>.print(<span style="color: rgb(42,0,255)">"length " </span>+ i + <span style="color: rgb(42,0,255)">": "</span>);
 <span style="color: rgb(127,0,85)">if </span>(words[i] == 1)
 System.<span style="color: rgb(0,0,192)">out</span>.println(<span style="color: rgb(42,0,255)">"1 word"</span>);
 <span style="color: rgb(127,0,85)">else
 </span>System.<span style="color: rgb(0,0,192)">out</span>.println(words[i] + <span style="color: rgb(42,0,255)">" words" </span>);
 }
 }
 }
}

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　单词个数　

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