牧佑---bufferReader---

来源：互联网发布：单片机编程入门教程编辑：程序博客网时间：2024/04/26 23:51

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.InputStreamReader;import java.io.OutputStreamWriter;/** * 字符流 * @author 牧佑叔叔 * */public class BufferReader {public static void main(String[] args) {BufferedReader in = null;BufferedWriter os = null;try {os = new BufferedWriter(new FileWriter("D:"+File.separator+"xx.txt",true));os.write("Hlleworld".toCharArray());os.newLine();os.flush();//读文件 StringBuilder sb = new StringBuilder(); in = new BufferedReader(new FileReader("D:"+File.separator+"xx.txt"));String str;while((str = in.readLine()) != null){sb.append(str);}System.out.println(sb.toString());} catch (Exception e) {e.printStackTrace();} finally{try {if(os !=null){os.close();}} catch (IOException e) {e.printStackTrace();}try {if(in !=null){in.close();}} catch (IOException e) {e.printStackTrace();}}}}

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