Interface java.util.zip.Checksum - JDK 5 Documentation v1.1.8, Java 2 SDK 英文文档

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Interface java.util.zip.Checksum

public interface Checksum

An interface representing a data checksum.

getValue(): Returns the current checksum value.
reset(): Resets the checksum to its initial value.
update(byte[], int, int): Updates the current checksum with the specified array of bytes.
update(int): Updates the current checksum with the specified byte.

update

 public abstract void update(int b)

Updates the current checksum with the specified byte.

update

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

Updates the current checksum with the specified array of bytes.

getValue

 public abstract long getValue()

Returns the current checksum value.

reset

 public abstract void reset()

Resets the checksum to its initial value.

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