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RandomAccessFile

rex tony
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Joined: Aug 29, 2007
Posts: 159
In RandomAccessFile which has rws,rwd mode.What are the difference between both of the mode.
Kelvin Chenhao Lim
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Joined: Oct 20, 2007
Posts: 513
Hi Rex,

The javadoc explains this pretty well:

"rws" - Open for reading and writing, as with "rw", and also require that every update to the file's content or metadata be written synchronously to the underlying storage device.

"rwd" -Open for reading and writing, as with "rw", and also require that every update to the file's content be written synchronously to the underlying storage device.


Note that "metadata" here refers to file system properties associated with the file, e.g. last access time, last modification time.
[ November 27, 2007: Message edited by: Kelvin Lim ]

SCJP 5.0
 
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subject: RandomAccessFile
 
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