java压缩文件

package com.itbuluoge.nio;

import java.io.BufferedOutputStream;
import java.io.BufferedReader;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.FileReader;
import java.util.zip.GZIPOutputStream;

public class Zip {

  /**
   * @param args
   * @throws Exception 
   */
  public static void main(String[] args) throws Exception {
    
    /*java压缩文件*/
    BufferedReader in=new BufferedReader(new FileReader("data.out"));
    BufferedOutputStream out=new BufferedOutputStream(new GZIPOutputStream(new FileOutputStream("test.zip")));
    
    int c;
    while((c=in.read())!=-1)
    {
      out.write(c);
    }
    
    out.close();
    in.close();

  }

}