import java.io.File;import java.io.FileInputStream;import java.io.FileOutputStream;import java.io.IOException;public class Test {
    public static void TestfileQuick(File filein, File fileout) throws IOException{
        FileInputStream in = new FileInputStream(filein);    FileOutputStream out = new FileOutputStream(fileout);    byte[] buf=new byte[8*1024];    int b;    while((b=in.read( buf, 0, buf.length))!=-1){        out.write(buf, 0, b);    }    in.close();    out.close();}public static void main(String[] args){    try{        long start = System.currentTimeMillis();        Test.TestfileQuick(new File("C:\\Users\\Administrator\\Desktop\\尧十三 - 牧羊曲(Demo).mp3"),                              new File("C:\\Users\\Administrator\\Desktop\\1.mp3"));        long end = System.currentTimeMillis();        System.out.println("时间:" + (end - start));    }catch(IOException e){        e.printStackTrace();    }}}