字符输入输出流

字符输入输出流

package com.vetor.lesson2;

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.io.Reader;
import java.io.Writer;
import java.util.StringTokenizer;

public class Example10_7 {

	public static void main(String[] args) {
		File fr = new File("english.txt");
		File fw = new File("englishCount.txt");
		
		try {
			
			Writer out = new FileWriter(fw); 
			BufferedWriter bw = new BufferedWriter(out); 
			Reader in = new FileReader(fr);  
			BufferedReader fr1 = new BufferedReader(in);
			
			String str = null;
			while((str=fr1.readLine())!=null) {
				StringTokenizer fenxi = new StringTokenizer(str); 
//				int count = fenxi.countTokens();
//				str = str + " 句子中单词的个数:"+count;
				bw.write(str);
				bw.newLine(); 
			}
			bw.close();
			out.close();
			in = new FileReader(fw);
			fr1 = new BufferedReader(in);
			String s = null;
			System.out.println(fw.getName()+"内容:");
			while((s=fr1.readLine())!=null) {
				System.out.println(s);
			}
			fr1.close();
			in.close();
		} catch (Exception e) {
			e.printStackTrace();
		} 
		
	}
}