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.

Following is the declaration for java.util.zip.GZIPOutputStream class −

pubpc class GZIPOutputStream
   extends DeflaterOutputStream

Following are the fields for java.util.zip.GZIPOutputStream class −

protected CRC32 crc − CRC-32 for uncompressed data.

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.

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.

This class inherits methods from the following classes −

java.util.zip.DeflaterOutputStream

java.io.FilterOutputStream

java.lang.Object