java.util.zip - CRC32 Class


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Introduction

The java.util.zip.CRC32 class is a class that can be used to compute the CRC-32 of a data stream.

Class declaration

Following is the declaration for java.util.zip.CRC32 class −

public class CRC32
   extends Object
      implements Checksum

Constructors

S.N. Constructor & Description
1 CRC32()

Creates a new CRC32 object.

Class methods

S.N. Method & Description
1 long getValue()

Returns the CRC-32 value.

2 void reset()

Resets the CRC-32 to initial value.

3 void update(byte[] b)

Updates the CRC-32 checksum with the specified array of bytes.

4 void update(byte[] b, int off, int len)

Updates the CRC-32 checksum with the specified array of bytes.

5 void update(int b)

Updates the CRC-32 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


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