java.util.zip - GZIPOutputStream Class
Introduction
The java.util.zip.GZIPOutputStream class implements a stream filter for writing compressed data in the GZIP file format.
Class declaration
Following is the declaration for java.util.zip.GZIPOutputStream class −
public class GZIPOutputStream
extends DeflaterOutputStreamFields
Following are the fields for java.util.zip.GZIPOutputStream class −
protected CRC32 crc − CRC-32 for uncompressed data.
Constructors
| Sr.No. | Constructor & Description |
|---|---|
| 1 | GZIPOutputStream(OutputStream out) Creates a new output stream with a default buffer size. |
| 2 | GZIPOutputStream(OutputStream out, boolean syncFlush) Creates a new output stream with a default buffer size and the specified flush mode. |
| 3 | GZIPOutputStream(OutputStream out, int size) Creates a new output stream with the specified buffer size. |
| 4 | GZIPOutputStream(OutputStream out, int size, boolean syncFlush) Creates a new output stream with the specified buffer size and flush mode. |
Class methods
| Sr.No. | Method & Description |
|---|---|
| 1 | void finish() Finishes writing compressed data to the output stream without closing the underlying stream. |
| 2 | int write(byte[] buf, int off, int len) Writes array of bytes to the compressed output stream. |
Methods inherited
This class inherits methods from the following classes −
- java.util.zip.DeflaterOutputStream
- java.io.FilterOutputStream
- java.lang.Object