Adler32

Introduction

The java.util.zip.Adler32 class is a class that can be used to compute the Adler-32 checksum of a data stream. An Adler-32 checksum is almost as reliable as a CRC-32 but can be computed much faster.

Class Declaration

Following is the declaration for java.util.zip.Adler32 class −

publicclassAdler32extendsObjectimplementsChecksum

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Constructors

Sr.No.	Constructor & Description
1	Adler32()Creates a new Adler32 object.

Class Methods

Sr.No.	Method & Description
1	long getValue()Returns the checksum value.
2	void reset()Resets the checksum to initial value.
3	void update(byte[] b)Updates the checksum with the specified array of bytes.
4	void update(byte[] b, int off, int len)Updates the checksum with the specified array of bytes.
5	void update(int b)Updates the checksum with the specified byte (the low eight bits of the argument b).

Methods Inherited

This class inherits methods from the following classes −

• java.lang.Object