public class BufferedWriterTest {
 public static void main(String[] args) {
 try {
 //创建一个FileWriter 对象
 FileWriter fw=new FileWriter("c:\\myDoc\\hello.txt"); 
 //创建一个BufferedWriter 对象
 BufferedWriter bw=new BufferedWriter(fw); 
 bw.write("大家好!"); 
 bw.write("我正在学习BufferedWriter。"); 
 bw.newLine(); 
 bw.write("请多多指教!"); 
 bw.newLine(); 
 bw.flush();
 fw.close();
 //读取文件内容
 FileReader fr=new FileReader("c:\\myDoc\\hello.txt"); 
 BufferedReader br=new BufferedReader(fr); 
 String line=br.readLine();
 while(line!=null){ 
 System.out.println(line);
 line=br.readLine(); 
 }
 br.close(); 
 fr.close(); 
 }catch(IOException e){
 System.out.println("文件不存在!");
 }
 }
}