java_ stream buffer (input stream of characters output)

. 1   / **   java.io.BufferedReader the extends Reader
 2  *
 . 3  * Constructors:
 . 4  * the BufferedReader (Reader in): create a default size of the input buffer buffering character input stream
 . 5  * the BufferedReader (Reader in, int SZ): Creating a specified buffer size of the input buffer character-input stream
 6  * parameters:
 7  * Reader in: character-input stream
 8  * bed can FileReader, the buffer flow will increase FileReader a buffer, to improve the efficiency of reading the FileReader
 9  * method specific members:
 10  * the readLine (): read data line
 11  * symbol planting row
 12  * return value: string contains content, not including the stop character, reach the end of the return null
 13 is  * using procedure:
 14  * 1. Create character buffered input stream object constructor is passed a character input stream
 15 * Character buffer 2. input stream object methods read / readLine read text
 16  * 3. Release the resources
 . 17   * / 
18 is   public  static  void main (String [] args) throws IOException {
 . 19       the BufferedReader br = new new the BufferedReader ( new new the FileReader ( "F.: \\ \\ 1.txt FileTest" ));
 20 is       String len = null ;
 21 is       the while ((len = br.readLine ()) =! null ) {
 22 is           System.out.println (len);
 23 is       }
 24   }