File file=new File("newhello.txt");
if(file.exists()&&file.isFile())
{
try {
//创建文件输入流
FileInputStream fis=new FileInputStream(file);
//文件输入流读取
InputStreamReader isr=new InputStreamReader(fis);
//创建带有缓冲的读取流
BufferedReader br=new BufferedReader(isr);
String lineString;
while ((lineString=br.readLine())!=null) {
System.out.println(lineString);
}
System.out.println("读取完成");
br.close();
isr.close();
fis.close();
File file2=new File("newhello2.txt");
FileOutputStream fos=new FileOutputStream(file2);
OutputStreamWriter osWriter=new OutputStreamWriter(fos);
BufferedWriter bw=new BufferedWriter(osWriter);
bw.write("你麻痹啊
");
bw.write("你2麻痹啊
");
bw.write("你3麻痹啊
");
bw.close();
osWriter.close();
fos.close();
} catch (FileNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}