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Java(TM) 2 Platform, Standard Edition, v1.2.2 API Specification: Interface Checksum - JDK 5 Documentation v1.2.2, Java 2 SDK 英文文档

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java.util.zip
Interface Checksum

All Known Implementing Classes:

Adler32, CRC32

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public interface Checksum

An interface representing a data checksum.

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Method Summary
long	getValue()           Returns the current checksum value.
void	reset()           Resets the checksum to its initial value.
void	update(byte[] b, int off, int len)           Updates the current checksum with the specified array of bytes.
void	update(int b)           Updates the current checksum with the specified byte.

 

Method Detail

update

public void update(int b)

Updates the current checksum with the specified byte.

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update

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

Updates the current checksum with the specified array of bytes.

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getValue

public long getValue()

Returns the current checksum value.

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reset

public void reset()

Resets the checksum to its initial value.

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