IO流--字节流缓冲区(BufferedOutputStream,BufferedInputStream)
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/*演示mp3的复制,通过缓冲区。BufferedOutputStreamBufferedInputStream*/import java.io.*;class CopyMp3{public static void main(String[] args) {long start = System.currentTimeMillis();copy_1();long end = System.currentTimeMillis();System.out.println((end - start) + "毫秒");}//通过字节流的缓冲区完成复制。public static void copy_1(){BufferedInputStream bis = null;BufferedOutputStream bis = null;try{bis = new BufferedInputStream("C:\\0.mp3");bos = new BufferedOutputStream("C:\\1.mp3");int buffer = 0;while((buffer = bis.read())!= -1){bos.write(buffer);}}catch (IOException e){System.out.println(e.toString());}finally{try{if(bis != null)bis.close();}catch (IOException e){System.out.println(e.toString());}try{if(bos != null)bos.close();}catch (IOException e){System.out.println(e.toString());}}}}
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