IO流文件複製

文件拷貝：

  BufferedReader bufferedReader = null;
  BufferedWriter bufferedWriter = null;
  try {
   bufferedReader=new BufferedReader(new FileReader("F:\\FileReadIo.java"));
   bufferedWriter=new BufferedWriter(new FileWriter("F:\\FileReadeIoCopy.txt"));
   String line;
   while(true){
    line=bufferedReader.readLine();
    if(line == null)
     break;
    bufferedWriter.write(line);
    bufferedWriter.newLine();
    bufferedWriter.flush();
   }
   
  } catch (Exception e) {
   e.printStackTrace();
  }finally{
   try {
    bufferedWriter.close();
   } catch (IOException e1) {
    e1.printStackTrace();
   }
   try {
    bufferedReader.close();
   } catch (IOException e) {
    e.printStackTrace();
   }
  }

圖片拷貝：

FileOutputStream fileOutputStream=null;
  FileInputStream fileInputStream=null;
  try {
   fileInputStream=new FileInputStream("D:\\Documents\\Pictures\\IMG_0631.JPG");
   fileOutputStream=new FileOutputStream("F:\\IMG_063111.JPG");
   byte[] bytes=new byte[1024];
   int in;
   while(true){
    in=fileInputStream.read(bytes);
    if(in == -1)break;
    fileOutputStream.write(bytes,0,in);
   }
  } catch (Exception e) {
   
   e.printStackTrace();
  }finally{
   try {
    fileOutputStream.close();
   } catch (IOException e) {
    e.printStackTrace();
   }
   try {
    fileInputStream.close();
   } catch (IOException e) {
    e.printStackTrace();
   }
  }

MP3拷貝：

FileOutputStream fileOutputStream=null;
  FileInputStream fileInputStream=null;
  try {
   fileInputStream=new FileInputStream("E:\\TTPmusic\\羽泉 - 再回首.mp3");
   fileOutputStream=new FileOutputStream("F:\\IMG_063111.mp3");
   byte[] bytes=new byte[1024];
   int in;
   while(true){
    in=fileInputStream.read(bytes);
    if(in==-1)break;
    fileOutputStream.write(bytes,0,in);
   }
  } catch (Exception e) {
   e.printStackTrace();
  }finally{
   try {
    fileOutputStream.close();
   } catch (IOException e) {
    e.printStackTrace();
   }
   try {
    fileInputStream.close();
   } catch (IOException e) {
    e.printStackTrace();
   }
  }

鍵盤錄入內容：

try {
   BufferedReader bufferedReader=new BufferedReader(new InputStreamReader(System.in));
   BufferedWriter bufferedWriter=new BufferedWriter(new OutputStreamWriter(new FileOutputStream("F:\\loger.txt")));
   String line;
   while(true){
    line=bufferedReader.readLine();
    if(line == null)break;
    if(line.equals("over"))break;
    bufferedWriter.write(line);
    bufferedWriter.newLine();
    bufferedWriter.flush();
   }
   bufferedReader.close();
   bufferedWriter.close();
  } catch (Exception e) {
   e.printStackTrace();
  }