java之BufferedInputStream读取数据

package cn.itcast_03;

import java.io.BufferedInputStream;
import java.io.FileInputStream;
import java.io.IOException;
/*
 * 注意：虽然我们有两种方式可以读取，但是请注意，这两种方式针对同一个对象在一个代码中只能使用一个
 * 
 * 
 */
public class BufferedInputStream读取数据 {

	public static void main(String[] args) throws IOException {
		// BufferedOutPutStream(InputStream in)
       //BufferedInputStream bos = new BufferedInputStream(fos);
       BufferedInputStream bos = new BufferedInputStream(
				new FileInputStream("bod.txt"));
      
      //读取数据
       int by = 0;
       while((by = bos.read()) != -1) {
    	   System.out.println((char)by);
       }
      
      byte[] bys = new byte[1024];
      int len = 0;
      while((len = bos.read(bys)) != -1) {
    	  System.out.println(new String(bys , 0 , len));
      }
      //释放数据
      bos.close();
	}
}