public
class
Adler32
extends Object
implements
Checksum
| java.lang.Object | |
| ↳ | java.util.zip.Adler32 |
A class that can be used to compute the Adler-32 checksum of a data stream. An Adler-32 checksum is almost as reliable as a CRC-32 but can be computed much faster.
See also:
Public constructors | |
|---|---|
Adler32()
Creates a new Adler32 object. |
|
Public methods | |
|---|---|
long
|
getValue()
Returns the checksum value. |
void
|
reset()
Resets the checksum to initial value. |
void
|
update(byte[] b)
Updates the checksum with the specified array of bytes. |
void
|
update(byte[] b, int off, int len)
Updates the checksum with the specified array of bytes. |
void
|
update(int b)
Updates the checksum with the specified byte (the low eight bits of the argument b). |
Inherited methods | |
|---|---|
 From
class
java.lang.Object
| |
From
interface
java.util.zip.Checksum
| |
long getValue ()
Returns the checksum value.
| Returns | |
|---|---|
long |
the current checksum value |
void update (byte[] b)
Updates the checksum with the specified array of bytes.
| Parameters | |
|---|---|
b |
byte:
the byte array to update the checksum with
|
Developers
void update (byte[] b,
int off,
int len)
Updates the checksum with the specified array of bytes.
| Parameters | |
|---|---|
b |
byte:
the byte array to update the checksum with |
off |
int:
the start offset of the data |
len |
int:
the number of bytes to use for the update
|
void update (int b)
Updates the checksum with the specified byte (the low eight bits of the argument b).
| Parameters | |
|---|---|
b |
int:
the byte to update the checksum with
|