java 缓冲流

english.txt

The arrow missed the target.
They rejected the union demand.
Where does this road go to?
Where does this road go to?

Example10_7.java

import java.io.*;
import java.util.*;
public class Example10_7 {
   public static void main(String args[]) {
      File fRead = new File("english.txt");
      File fWrite = new File("englishCount.txt");
      try{  Writer out = new FileWriter(fWrite);
            BufferedWriter bufferWrite = new BufferedWriter(out);
            Reader in = new FileReader(fRead);
            BufferedReader bufferRead =new BufferedReader(in);
            String str = null;
            while((str=bufferRead.readLine())!=null) {
               StringTokenizer fenxi = new StringTokenizer(str);
               int count=fenxi.countTokens();
               str = str+" 句子中单词个数:"+count;
               bufferWrite.write(str);
               bufferWrite.newLine();
            }
            bufferWrite.close();
            out.close();
            in = new FileReader(fWrite);
            bufferRead =new BufferedReader(in);
            String s=null;
            System.out.println(fWrite.getName()+"内容:");
            while((s=bufferRead.readLine())!=null) {
              System.out.println(s);
           }
           bufferRead.close();
           in.close();
      }
      catch(IOException e) {
          System.out.println(e.toString());
      }
   }
}