java实现wc.exe的基本功能

   版权声明:本文为博主原创文章,转载请声明。

  今天用java实现了wc.exe的基本功能,感觉还是蛮简单的,重点是读取字符串时候,空格也会读取进去,如果不处理一下的话,空格也会算进字符里面.。

  需要注意的是,如果是中文的话,java会算两个两个字节读取。所以这个代码只能统计英文。

  github地址:https://github.com/ICanV/wc

  代码如下:

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
package demo2;
 
import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStreamReader;
 
public class wc {  
    public void wcexe() throws IOException{
        String filepath="C:/Users/Administrator/Desktop/123.txt";//文件路径
        BufferedReader br =null;
        int countWord=0;
        int countChar=0;
        int countLine=0;
        String s="";
        String strCount="";
        try {
             br = new BufferedReader(new InputStreamReader(new FileInputStream(new File(filepath))));
             while((s=br.readLine())!=null)
              {
                 s=s+" ";
                 strCount+=s;
               countLine++;
              }
             for(int i=0;i<strCount.split(" ").length;i++){
                 if(!strCount.split(" ")[i].equals(" "))
                     countWord++;
                 countChar+= strCount.split(" ")[i].length();
             }
             System.out.println("单词数:"+countWord);
             System.out.println("字符数:"+countChar);
             System.out.println("行数:"+countLine);
        } catch (FileNotFoundException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }finally{
            br.close();
        }
    }
    public static void main(String[] args) throws IOException{
        wc w=new wc();
        w.wcexe();
         
    }
}

  

  

posted @   black_old_jack  阅读(595)  评论(0编辑  收藏  举报
努力加载评论中...
点击右上角即可分享
微信分享提示