gzip.java~7~

如何来压缩文件那

package yu1;
import java.io.*;
import java.util.zip.*;
public class GZip
{
  public static void main(String[] args)throws IOException
{
    BufferedReader in = new BufferedReader(new FileReader("src/yu1/GZip.java"));
    BufferedOutputStream out = new BufferedOutputStream(new GZIPOutputStream(new
        FileOutputStream("test.txt")));


    while(in.read()!=-1)
    {
     out.write(in.read());
    }
   in.close();
   out.close();
   BufferedReader in2=new BufferedReader(new InputStreamReader(new GZIPInputStream
       (new FileInputStream("test.txt"))));
   while(in2.readLine()!=null)
   {
    System.out.println(in2.readLine());

   }
   in2.close();
}
}