JavaTM 2 Platform
Standard Edition

java.util.zip
Class CRC32

java.lang.Object
  |
  +--java.util.zip.CRC32

public class CRC32
extends Object
implements Checksum

A class that can be used to compute the CRC-32 of a data stream.

See Also:
Checksum

Constructor Summary
CRC32()
          Creates a new CRC32 class.
 
Method Summary
 long getValue()
          Returns CRC-32 value.
 void reset()
          Resets CRC-32 to initial value.
 void update(byte[] b)
          Updates checksum with specified array of bytes.
 void update(byte[] b, int off, int len)
          Updates CRC-32 with specified array of bytes.
 void update(int b)
          Updates CRC-32 with specified byte.
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

CRC32

public CRC32()
Creates a new CRC32 class.
Method Detail

update

public void update(int b)
Updates CRC-32 with specified byte.
Specified by:
update in interface Checksum

update

public void update(byte[] b,
                   int off,
                   int len)
Updates CRC-32 with specified array of bytes.
Specified by:
update in interface Checksum

update

public void update(byte[] b)
Updates checksum with specified array of bytes.

reset

public void reset()
Resets CRC-32 to initial value.
Specified by:
reset in interface Checksum

getValue

public long getValue()
Returns CRC-32 value.
Specified by:
getValue in interface Checksum

JavaTM 2 Platform
Standard Edition

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