Compress a file in the GZIP format : GZIP « File Input Output « Java

1. Java
2. File Input Output
3. GZIP

Compress a file in the GZIP format

  
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.util.zip.GZIPOutputStream;

public class Main {
  public static void main(String[] argv) throws Exception {
    GZIPOutputStream out = new GZIPOutputStream(new FileOutputStream("outfile.gzip"));
    FileInputStream in = new FileInputStream("infilename");

    byte[] buf = new byte[1024];
    int len;
    while ((len = in.read(buf)) > 0) {
      out.write(buf, 0, len);
    }
    in.close();

    out.finish();
    out.close();
  }
}

   
    
  

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