Checksum

Overview | Package | Class | Use | Tree | Deprecated | Index | Help

PREV CLASS NEXT CLASS | FRAMES NO FRAMES
SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD

## java.util.zip
Interface Checksum

All Known Implementing Classes:
  Adler32, CRC32

    public interface Checksum

An interface representing a data checksum.

Version:
  1.13, 02/02/00
Author:
  David Connelly

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

    void update(int b)

  Updates the current checksum with the specified byte.

  Parameters:
    `b` - the byte to update the checksum with

### update

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

  Updates the current checksum with the specified array of bytes.

  Parameters:
    `b` - the byte array to update the checksum with
    `off` - the start offset of the data
    `len` - the number of bytes to use for the update

### getValue

    long getValue()

  Returns the current checksum value.

  Returns:
    the current checksum value

### reset

    void reset()

  Resets the checksum to its initial value.

Overview | Package | Class | Use | Tree | Deprecated | Index | Help

PREV CLASS NEXT CLASS | FRAMES NO FRAMES
SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD