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Java™ Platform Standard Ed. 6 |
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java.lang.Object extended by java.util.zip.CRC32
A class that can be used to compute the CRC-32 of a data stream.
Checksum
Constructor Summary | |
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CRC32()
Creates a new CRC32 object. |
Method Summary | |
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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 |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public CRC32()
Method Detail |
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public void update(int b)
b
- the byte to update the checksum withpublic void update(byte[] b, int off, int len)
b
- the byte array to update the checksum withoff
- the start offset of the datalen
- the number of bytes to use for the updatepublic void update(byte[] b)
b
- the array of bytes to update the checksum withpublic void reset()
public long getValue()
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Java™ Platform Standard Ed. 6 |
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